Ruiner
33 Achievements
GOG
Good dog
Finish Epilogue
18.1%
How to unlock the Good dog achievement in Ruiner - Definitive Guide
After beating the main story you will be stuck in a ring with 15 seconds remaining. Kill the enemies fast to gain +5 seconds per kill and after you kill 2 big cyborgs (with boss bars) you will unlock this achievement after the following cutscenes.