Security
Security Hotfix
I’ve released a minor update for this game. This patch does not change any gameplay features or my own code. It simply applies a security update provided by Unity, the game engine I use. The update has already been appl…
Steam
Attacker-chan!
Also known as Attacker-chan!, ac, attacker chan
Attacker-chan! is a 2.5D short, roguelike action game with cute animations. Complete your missions by subduing out-of-control mechs.
Last update
25 May 2026
Players now
0
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- September 2022
- Ver.1.1.1 ReleasedFix small bugs. Performance optimization.
- August 2022
- Ver.1.1.0 ReleasedFix font blurring
- Ver.1.0.9 ReleasedImproved responsiveness at end of dash. Fixed incorrect enemy spawn position when fighting at the edge of the screen. Fixed hit detection of some enemies.
- Ver.1.0.8 ReleasedFixed that the collision of normal enemy robots does not match the appearance.
- Ver.1.0.7 ReleasedFixed achievement unlock popup not appearing immediately. Fixed Boss1 animation.
- Ver.1.0.6 ReleasedI have adjusted the game balance. Added pre motion when Boss1 rushes. Adjust Boss2's wait and speed.
- Ver.1.0.5 ReleasedFixed the processing when the boss moves out of the screen range.
- Ver.1.0.4 ReleasedChange timer stop timing after last boss destroyed. I'm really sorry that I changed the timer stop timing. I should have stopped the timer when last boss is just destroyed. I apologize to those who have tried to unlock…
- Ver.1.0.3 ReleasedAdd VSync Option. Improved Last boss texture quality.
- Ver.1.0.2 ReleasedFix: Sometimes ground based enemies are spawned in air.
- Ver.1.0.1 ReleasedFix Gun Gauge Bug when retry from mission failed.
Gallery
In-game media
Achievements
Community progression
Top picks from 13 Steam achievements, sorted by player unlock rates.
- It’s Boss #1!Beat Boss #1 in Normal mode83.3%
- FriendshipSave Shop-chan81.8%
- One step forward!Beat Boss #2 in Normal mode72.8%
- Hot stage!Beat Boss #3 in Normal mode69.5%
- Almost there!Beat Boss #4 in Normal mode68.2%
- Mission accomplished!Complete the game in Normal mode65.1%