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