Here is the full list of all 33 RUINER achievements.
Beat the game without dying
Acquire all outfits
Finish Speedrun
Finish NewGame+
Destroy all dead Hosts' piles
Unlock all iChing fortunes
Kill 3 enemies with a one explosion
Die 666 times
Burn 420 enemies with flamethrower
Destroy Angel core in the air
Kill 75 enemies with a shield ram
Acquire all basic abilities
Finish Arena:Colosseum
Score more than 50000 points in Arena:Colosseum
Hit 50 mines with your melee weapon
Hack 50 enemies
Do 1003 pushups
Reflect 100 bullets with your shield
Finish Epilogue
Beat the game on Easy Difficulty
Beat the game on Normal Difficulty
Beat the game on Hard Difficulty
Use dash 9001 times
Defeat Sisters
Kill all Angels
Collect all bounties
Complete CATS quest
Defeat TrafficKing
Destroy 3 Angel cores in one go
Defeat Nerve
Perform 50 Ruiner kills
Finish Prologue
Achieve 15 kills combo