Developer posts and news about this game.
The next Celtreos patch is live! Artwork Improvements Player ship exhaust effects have changed significantly, and they now follow the history of player movement instead of being fixed to a single horizontal position. Certain game artwork has improved, such as the stack-blowing ef
A big update to Celtreos! 3D Effects There has been a huge focus on improving 3D effects and layering in backgrounds, with some accompanying performance tweaks. This is most noticeable in stages with walls or large background objects like cave rocks. Basically, things that used t
The next Celtreos patch is live! New Ship Types Three new ship types have been added: Rose Raptor , Micro and Nebula X-87 . This brings the total number of ships to 10! The differences between the 10 ships are mostly cosmetic; having said that, the “hit box” definitely varies bet
A big update to Celtreos! UI Updates There are new bidirectional rocker buttons in several panels, typically as “-/+” buttons. These take up less space but also consolidate focus so it is more efficient to traverse controls using game controllers or the keyboard. In most cases th
A big update to Celtreos! New “Lancer” Weapon A new weapon “Lancer” has been added to the Devastator Series, and it can also be used in custom arrays. This means that the 5 main Series now all have unique opposing-movement weapons (instead of Magnetic Mine being present in two of
“Celtreos” is a “Labor of Love”! To nominate “Celtreos” for an award, click here. This game was first released in 2017 but has been updated over 95 times (including late 2025), on average once a month , making huge additions such as: New stages Improved soundtrack and brand new s
The next Celtreos patch is live! New Setting “Relative Touch Controls” On mobile, this setting changes the behavior of touches so that the initial touch is ignored and any subsequent finger movements are relative to that point. This emulates the behavior of some other games, whic
The next Celtreos patch is live! New Setting “Quick Game” This setting shortens every stage of the game (e.g. by removing certain wall sections and enemy spawns), for quicker play-throughs! Note that if you use this mode, some Achievements and scoring objectives may be harder to
A big update to Celtreos! UI Accessibility Updates “Celtreos” now supports multiple text sizes : in the option screens, in story pages, and in the score display during the game. This can also affect layout, e.g. story pages can be arranged differently to suit the new text size or
The next Celtreos patch is live! Performance Improvements Certain animated backgrounds are disabled on the lowest graphics setting. Minor changes to rotation effects for better performance during two boss fights. On mobile versions of the game, fixed a couple of over-rendered UI
A big update to Celtreos! Music Updates Many songs have been tweaked, including: Evasion, Mystery, Portension, Opposition, Trepidation, Diminution and Establishment. Gameplay Updates There is a new weapon mount type, “Reverse V”! Similar to “Crossover” but focused on the reverse
The next Celtreos patch is live! Performance Improvements Fixed a case where the frame rate could struggle significantly if the system was rapidly refreshing the screen while many sound effects were playing. Artwork Improvements More artwork tweaks have been made to certain ships
The next Celtreos patch is live! New Setting “No Negative Items” This new setting prevents all negative items from spawning in the game, which tends to make the game significantly easier to play. (This includes all red-orb items like slow-down, destroy-weapon, reduce-range, reduc
The next Celtreos patch is live! Improved Performance Game physics and other explosion effects have been modified to perform better in some situations. Hit-Box Changes Each of the 7 player ships has had its hit-box reevaluated to be slightly more accurate for the shape of the shi
A big update to Celtreos! New “Lateral” Weapon A 5th sideways-class weapon, “Lateral”, has been added to the Plasma Series (and can be used in custom weapon arrays). This fires modules above and below your ship that damage anything they touch, while also periodically firing forwa
A big update to Celtreos! Enhancements to “Jungle Cave” The tree/wood artwork in this stage is now significantly more detailed. Also, foreground logs that are obstacles are brighter so they are easier to avoid. The stage layout has been tweaked in a few places. Clouds You Can Sho
The next Celtreos patch is live! Improved Performance The game is now better at responding in high-congestion areas, such as stages with lots of walls or enemies. Also, scrolling up or down is now more responsive so it is easier to move around. Opposing-Movement Weapon Updates Al
The next Celtreos patch is live! New and Updated Songs The main options screen song is brand new (titled “Establishment”)! Also, improvements to a few other songs, including “Opposition”, “Portension”, “Mystery” and “Excursion”.
A big update to Celtreos! New Story Artwork The introduction to the game now shows a few background pictures while the story text scrolls by. General Artwork and Animation Improvements Several effects have been tweaked, such as explosions and power-ups. Certain enemies are now mo
The next Celtreos patch is live! New EXP Tiers Each weapon slot now has 5 Tiers instead of 4, with a new set of updates possible for each slot! Look for the following: Enlarge (destroyer weapons): Always fire larger projectiles Expand (default and sideways weapons): Cover a large