// Progression
Achievements
The complete achievement list from the game files, grouped by tier (higher tiers are rarer). Spoiler warning: some names reveal late-game events.
// 10
Tier 1
- Causality of TimeRecover the Key of Causality
- Eternity of WaterRecover the Key of Eternity
- Hope of LifeRecover the Key of Hope
- Infinity of SpaceRecover the Key of Infinity
- Wisdom of WindRecover the Key of Wisdom
- True Self of FlameRecover the Key of True Self
- Law of ThunderRecover the Key of Law
- Shell UpgradeRaise Chip capacity to 14
- Theseus at Your ServiceTalk to Engineering Unit Theseus
- BeginnerUse 7 different Blessings in total
// 13
Tier 2
- Lord of the VoidDefeat HIEROS-I
- The Final NirvanaReach the end of Timeline 2
- A Wish That Pierces the WorldReach the end of Timeline 3
- Where It All BeganReach the end of Timeline 5
- The One Who Shouldn't ExistReach the end of Timeline 7
- Construction AddictComplete 10 camp construction projects
- Perfect DecodingDecode every locked node in the Authority Code
- Heroes AssembleAssemble 2 main combat Timehackers
- I Got Friends EverywhereGive gifts to 3 different companions
- No System Is Ever Truly SecureDecrypt 5 encrypted files
- Avant-garde ArtScan 5 different graffiti
- Bedroom PlaylistObtain 5 different music tapes
- Live Great, Die GloriousDrink 3 different kinds of alcohol
// 5
Tier 3
- Perfect TimelineSeal HIEROS-I
- A Grand Finale to the Final MissionSeal Primordial HIEROS-I
- CompletionistComplete 10 Timehacker Challenges
- Chip MasterCollect 10 different Chips
- Precious MemoriesReach Personal Intel Lv.4 with 3 companions
// 1
Tier 4
- Write a New TimelineComplete all other achievements