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