Completed TET Shield without killing a single enemy.
Completed the game with an ICO-Centric AI.
Completed the game with an OKT-Centric AI.
Completed the game with a HEX-Centric AI.
Completed the game with a TET-Centric AI.
Restored all Memories and completed the game with a Balanced AI.
Defeated the Hyperspider.
Collected all the memories in the HEX Biome.
Restored the ICO Biome.
Fully upgraded all Abilities.
Fully upgraded Hacking abilities.
Collected all the memories in the ICO Biome.
Collected all the memories in the OKT Biome.
Fully upgraded Deletion abilities.
Collected all the memories in the TET Biome.
Collected all the memories in the USER Biome.
Restored the OKT Biome.
Fully upgraded Traversal abilities.
Hacked 16 enemies.
Restored the HEX Biome.
Survived a lethal fall.
Restored the TET Biome.
Completed TET Access Control without killing a single enemy.
Killed 32 enemies.
Installed yourself.