Celtreos - Revision history

Vornaff: Update based on changes from version 2.1 in 2026

2026-02-04T23:08:13Z

Update based on changes from version 2.1 in 2026

Vornaff: Minor changes based on recent game updates

2025-01-27T17:43:21Z

Minor changes based on recent game updates

Vornaff: Minor changes based on recent game updates

2024-11-08T15:54:16Z

Minor changes based on recent game updates

Vornaff: Updated with recent additions to game (new EXP tiers).

2024-08-05T14:06:05Z

Updated with recent additions to game (new EXP tiers).

Vornaff: Updated with recent additions to game (weapon EXP).

2024-07-16T13:41:34Z

Updated with recent additions to game (weapon EXP).

JSAV2006STG(ABC): /* Hard Difficulty */

2024-05-24T03:58:36Z

Hard Difficulty

JSAV2006STG(ABC) at 03:57, 24 May 2024

2024-05-24T03:57:24Z

Vornaff: Add info on Hard Difficulty mode

2024-05-24T03:01:10Z

Add info on Hard Difficulty mode

Frostyryker at 15:36, 13 May 2024

2024-05-13T15:36:19Z

Vornaff: Minor fix to table to include Bumper and Prism items

2024-02-28T14:13:36Z

Minor fix to table to include Bumper and Prism items

@@ Line 23: / Line 23: @@
 }}
-'''''Celtreos''''' (セルトレオス) is a 2D horizontal scrolling space-themed game created by [[User:vornaff|Kevin Grant]] in 2017 (with continuous updates through 2025).  It is available for macOS on Steam, and iOS and tvOS on the App Store.  It supports '''one or two local players simultaneously'''.
+'''''Celtreos''''' (セルトレオス) is a 2D horizontal scrolling space-themed game created by [[User:vornaff|Kevin Grant]] in 2017 (with continuous updates through 2026).  It is available for macOS on Steam, and iOS and tvOS on the App Store.  It supports '''one or two local players simultaneously'''.
 Everything in the game is unlocked at the beginning; it is possible to start the game at any stage but all stages must be played in a sequence to see the game ending.
@@ Line 98: / Line 98: @@
 === Ships ===
 ----
-There are 7 ships available.  The differences are mostly cosmetic, except that larger ships will be harder to navigate safely in tight spots and weapons with more than one starting point (such as “Phaser”) will be anchored differently on each ship design.
+There are 10 ships available.  The differences are mostly cosmetic, except that larger ships will be harder to navigate safely in tight spots and weapons with more than one starting point (such as “Phaser”) will be anchored differently on each ship design.
 * '''Flyer of Fire, Mark II'''
@@ Line 107: / Line 107: @@
 * '''Beryl Blade'''
 * '''Verdigris Viper'''
 === Weapons and Defenses ===

@@ Line 23: / Line 23: @@
 }}
-'''''Celtreos''''' (セルトレオス) is a 2D horizontal scrolling space-themed game created by [[User:vornaff|Kevin Grant]] in 2017 (with continuous updates through 2024).  It is available for macOS on Steam, and iOS and tvOS on the App Store.  It supports '''one or two local players simultaneously'''.
+'''''Celtreos''''' (セルトレオス) is a 2D horizontal scrolling space-themed game created by [[User:vornaff|Kevin Grant]] in 2017 (with continuous updates through 2025).  It is available for macOS on Steam, and iOS and tvOS on the App Store.  It supports '''one or two local players simultaneously'''.
 Everything in the game is unlocked at the beginning; it is possible to start the game at any stage but all stages must be played in a sequence to see the game ending.
@@ Line 224: / Line 224: @@
 | “×3” Triple Fire || Current weapon is tripled, firing from THREE locations for a few seconds (overrides any active “×2”)
 |-
-| “EXP×2” Double EXP || Weapon EXP accumulates more quickly for several seconds
+| “XP×2” Double EXP || Weapon EXP accumulates more quickly for several seconds (overrides any active “XP×4”)
 |-
 | “❔” Fragment || Gold fragment orbs are worth nothing by themselves; '''exactly three''' spawn in every stage, and you must find '''all''' of them to receive a cluster of power-ups as a bonus

@@ Line 43: / Line 43: @@
 === Soundtrack ===
 ----
-The game has a massive 29-song soundtrack, over 45 minutes of music.  The main options screen allows any song to be played, and the same options are available in-game.  It is also possible to adjust the volume or turn off the sound.
+The game has a massive 30-song soundtrack, over 45 minutes of music.  The main options screen allows any song to be played, and the same options are available in-game.  It is also possible to adjust the volume or turn off the sound.
 '''Celtreos''' has the ability to interface with the music player from the OS (any app on iOS, or iTunes/Music on macOS).  If these apps are playing music instead, the game exposes an option to '''auto-next-song''' for key game events (new stages or boss fights), allowing players to craft their own favorite soundtracks to suit the gameplay.
@@ Line 54: / Line 54: @@
 '''Keyboard'''
-* '''W/A/S/D:''' Move up/left/down/right
+* '''W/A/S/D or arrow keys:''' Move up/left/down/right
 * '''Q:''' Rotate between available weapons
 * '''B or Touch Bar:''' Use special ability

@@ Line 143: / Line 143: @@
 ==== EXP ====
 ----
 At the start of each new stage, any weapon slots with enough EXP to reach a new tier will change tiers (after score bonuses are awarded).  EXP is not on a linear scale so it is harder to reach higher tiers than lower tiers.
@@ Line 148: / Line 150: @@
 {| class="wikitable"
 |-
-! Class !! Tier 1 !! Tier 2 !! Tier 3 !! Tier 4
+! Class !! Tier 1 !! Tier 2 !! Tier 3 !! Tier 4 !! Tier 5
 |-
-| Default || None || None || None || ???
+| Default || None || None || Resilience || Expand || ???
 |-
-| Multi-Way || +10000 || Preserver II || Rapid Fire || ???
+| Multi-Way || +10000 || Preserver II || Waves || Rapid Fire || ???
 |-
-| Sideways || +10000 || Preserver II || Rapid Fire || ???
+| Sideways || +10000 || Preserver II || Rapid Fire || Expand || ???
 |-
-| Locator || +10000 || Preserver II || Smart-Target || ???
+| Locator || +10000 || Preserver II || Range Up || Smart-Target || ???
 |-
-| Destroyer || +10000 || Preserver II || Weakened || ???
+| Destroyer || +10000 || Preserver II || Weaken || Enlarge || ???
 |-
-| Opposer || +10000 || Preserver II || Always-On || ???
+| Opposer || +10000 || Preserver II || Power Up || Always-On || ???
 |}
@@ Line 167: / Line 169: @@
 * '''Always-On:''' Weapon is now constantly available, firing alongside any currently-selected weapon
 * '''Preserver II:''' The “×” orb can’t destroy this weapon, and it is not lost after player death
 * '''Rapid Fire:''' Faster by default, yet still further increased by the “Rapid Fire” power-up
 * '''Smart-Target:''' Locator-class weapons ignore invulnerable projectiles
-* '''Weakened:''' Weapon is less powerful than before!
+* '''Waves:''' Weapons fire is periodically interspersed with larger projectiles
 === Items ===

@@ Line 92: / Line 92: @@
 The conditions to discover each Achievement are secret but they range from almost unavoidable (like scoring a certain number of points) to somewhat difficult (there is one that requires you to obtain a certain number of special-ability charges, which can only be done if you go through much of the game without ever using special abilities).
-There are currently at least 10 ways to score an Achievement.
+There are currently at least 15 ways to score an Achievement.
 Although Achievements can be scored in each play-through, the game has a “trophy room” (accessible from the main options screen) to track unique Achievements that have been found over time, as well as other completion goals in the game.  A “Hints” option can help to figure out what the others may be.
@@ Line 110: / Line 110: @@
 === Weapons and Defenses ===
 ----
-In '''Celtreos''', abilities are gathered into '''weapon arrays''' and you can customize all of them in the options screen at the start of the game.  In a given stage, you have just one default weapon and rely on power-ups to gather more (and you can lose them if you die, unless you set a preference in the game to prevent this or obtain a Preserver power-up).
+In '''Celtreos''', abilities are gathered into '''weapon arrays''' and you can customize all of them in the options screen at the start of the game.  In a given stage, you have just one default weapon and rely on power-ups to gather more (and you can lose them if you die, unless you set a preference in the game to prevent this, obtain a Preserver power-up, or are using a weapon slot that has attained the Preserver II ability).
 At the end of every boss fight, one to three '''alternate weapon arrays''' spawn, giving you the opportunity to swap out your abilities if you want to.
@@ Line 116: / Line 116: @@
 The “Gun Mount” preference setting can be used to influence initial weapon firing patterns, especially when combined with multipliers (“×2” or “×3”).  These can be changed during the game by special power-ups.
-Each weapon array has slots that categorize behavior, and (see “Controls” above) each type can be accessed directly from the keyboard as long as you have acquired the right power-up.
+Each weapon array has slots that categorize behavior, and (see “Controls” above) each type can be accessed directly from the keyboard as long as you have acquired the right power-up.  Weapon slots can be improved over time by accumulating EXP points; see “EXP” below.
 '''Note:''' There is a guide to Celtreos Weapons on Steam (see “References & Contributors” below).
@@ Line 140: / Line 140: @@
 * '''Sentry:''' Flying drones that shoot lasers at nearby foes
 * '''Prism:''' Fields that can drastically alter weapon trajectory
 === Items ===
 Items are both '''good''' and '''bad'''; they can spawn randomly, float in the game world, or show up after destroying small power-up ships.  Weapon arrays will only spawn at the end of a stage, immediately after the boss fight ends.
@@ Line 173: / Line 209: @@
 |-
 | “×3” Triple Fire || Current weapon is tripled, firing from THREE locations for a few seconds (overrides any active “×2”)
 |-
 | “❔” Fragment || Gold fragment orbs are worth nothing by themselves; '''exactly three''' spawn in every stage, and you must find '''all''' of them to receive a cluster of power-ups as a bonus
@@ Line 190: / Line 228: @@
 | “▽” Slow Fire || Weapons fire ''much'' slower for several seconds
 |-
-| “✖️” Kill Weapon || Current weapon is destroyed and cannot be used unless you find the power-up for it again; in addition, main weapon power is reduced to minimum
+| “✖️” Kill Weapon || Current weapon is destroyed and cannot be used unless you find the power-up for it again; in addition, main weapon power is reduced to minimum; note that weapon slots that have attained the “Preserver II” ability are immune to this effect
 |-
 | “🔒” Lock Weapons || Current weapon cannot be changed for several seconds (or until you die); switching function is temporarily unavailable
@@ Line 225: / Line 263: @@
 Three of the power-ups in the game can boost score (by 500 points, 2500 points or 10000 points) and they are generally placed in optional areas that may be tricky to reach.
-At the end of every stage there is a time bonus for finishing relatively quickly, and a shooting bonus for destroying lots of enemies.
+At the end of every stage there is a time bonus for finishing relatively quickly, and a shooting bonus for destroying lots of enemies.  This is also the time that weapons change tiers based on accumulated EXP.
 {| class="wikitable"
 |-
@@ Line 279: / Line 317: @@
 === Hard Difficulty ===
-* Extra lives are extremely difficult to obtain in Hard Difficulty mode.  The '''only''' way to get them is through scoring (every 250,000 points) so be thorough and fast to maximize your bonuses often.
+* Extra lives are extremely difficult to obtain in Hard Difficulty mode.  The '''only''' way to get them is through scoring (every 250,000 points) so be thorough and fast to maximize your bonuses!
 * Many bullets are invulnerable, and even the vulnerable ones are harder to destroy in this mode.  Deflector and Barrier are quite useful, although they are less likely to spawn.
-* In some situations the abilities that consume Charges will absorb onscreen bullets.  The cooldown is '''much''' greater however so don’t use them until you really need to.
+* In some situations the abilities that consume Charges will absorb onscreen bullets.  The cooldown is '''much''' greater however so don’t use them until you really need to!
 == Story ==

@@ Line 88: / Line 88: @@
 === Unlockable Secrets ===
 ----
-There are a number of “Achievements” that can be scored in the game, which make your player '''invincible for several seconds''', including the ability to float through walls.
+There are a number of “Achievements” that can be scored in the game.  Unless you have enabled Hard Difficulty, scoring an Achievement also makes your player '''invincible for several seconds''' with the ability to float through walls!
 The conditions to discover each Achievement are secret but they range from almost unavoidable (like scoring a certain number of points) to somewhat difficult (there is one that requires you to obtain a certain number of special-ability charges, which can only be done if you go through much of the game without ever using special abilities).
-There are currently at least 8 ways to score an Achievement.
+There are currently at least 10 ways to score an Achievement.
 Although Achievements can be scored in each play-through, the game has a “trophy room” (accessible from the main options screen) to track unique Achievements that have been found over time, as well as other completion goals in the game.  A “Hints” option can help to figure out what the others may be.
@@ Line 152: / Line 152: @@
 ! Power-Up !! Effect
 |-
-| “1UP” || Extra life (you also gain an extra life every 250,000 points)
+| “1UP” || Extra life (you also gain an extra life every 250,000 points); '''does not spawn when Hard Difficulty is enabled'''
 |-
 | Bomb/Lightning/Ray Burst/Time Warp/Concentrator || Extra charge (special ability use) of this type; varies based on current weapon array
@@ Line 160: / Line 160: @@
 | New weapon || Obtain new weapon (varies) and switch to it automatically, though you can switch back to any other weapon you have
 |-
-| Shield/Deflector/Armor/Barrier/Bumper || Protect your ship (varies based on current weapon array)
+| Shield/Deflector/Armor/Barrier/Bumper || Protect your ship (varies based on current weapon array); '''rarely spawns when Hard Difficulty is enabled'''
 |-
 | Defender/Shadow/Trailer/Sentry/Prism || Obtain additional defender (varies based on current weapon array; you can gain up to 5)
@@ Line 256: / Line 256: @@
 == Strategy ==
-<div style='text-align: center;'>
-''See [[Celtreos/Strategy]] for '''stage maps''', '''enemy and boss descriptions''', '''walkthroughs''', and '''advanced play strategies'''.''
+=== Normal Difficulty / General ===
 * Boss fights will be easier if you find vulnerable spots such as turrets and destroy those first, even if they do not count toward the boss’ total health.  Also, do not waste time; some bosses will regenerate a shield after a while!
@@ Line 277: / Line 276: @@
 * Ship speed can be changed in multiple ways and this can be crucial for navigating tight areas.
 == Story ==

← Older revision		Revision as of 15:36, 13 May 2024
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	[[Category:Independent/Doujin shooting games]]		[[Category:Independent/Doujin shooting games]]
		+	[[Category:Horizontal orientation]]