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