Completion
STEINS;GATE RE:BOOT Achievements Guide – All 41 Unlocks
All 41 STEINS;GATE RE:BOOT achievements with chapter, exact trigger, missable warning, and save/reload notes, including Phone Trigger trophies.
8/21/2026 Last updated: 8/21/2026
STEINS;GATE RE:BOOT lists 41 Steam achievements. Percents on Steam are global unlock rates, not a guide.
| Achievement | Chapter / when | Requirement | Missable | Notes |
|---|---|---|---|---|
| Prologue of the Beginning and the End | Prologue | Clear prologue | No | Story |
| Time Travel Paranoia | 1 | Clear chapter | No | Story |
| Interpreter Rendezvous | 2 | Clear chapter | No | Story |
| Butterfly Effect’s Divergence | 3 | Clear chapter | No | Story |
| Chaos Theory Homeostasis | 4 | Clear chapter | No | Story |
| Dogma in Event Horizon | 5 | Clear chapter | No | Story |
| Metaphysics Necrosis | 6 | Clear chapter after sending D-Mail | No | Opposite of Suzuha stop |
| Made in Complex | 7 | Clear chapter after sending D-Mail | No | Story |
| Fractal Androgynous | 8 | Clear chapter after calling PhoneWave | No | Story |
| Endless Apoptosis | 9 | Clear chapter after sending D-Mail | No | Story |
| Memories of the Self | 1+ | View sent-mail history | Easy miss | Phone menu |
| Memories of Another | 1+ | Read a received mail | Easy miss | Phone |
| Vision Projection | 1+ | Change wallpaper | Easy miss | Phone settings |
| First Sound | 1+ | Change ringtone | Easy miss | Phone settings |
| Resonant Reaction | 1 | Reply to a mail | Easy miss | Upa chain is the easy one |
| Homerun-level Clumsiness | 1 | 10 wrong PhoneWave timer inputs | Yes if you never retry | Then type 120# |
| RaiNet’s Mascot | 1 | Receive 2 Upa wallpapers | Yes | Mayuri Upa chain |
| Identity of Complete Isolation | 2+ | Ignore a phone call | Easy | Save / ignore / reload |
| Cruel Sister | 2 | Luka family mail chain | Yes | Needs Mayuri call 8/01 14:29 |
| Warrior Girl’s Pride | 4 | Suzuha Akihabara’s then peaceful | Yes | Read the follow-up |
| Discontinuous Qualia | 4 | Kurisu Report then Cup noodles | Yes | Not the true-ending chain |
| Cat’s Tea Time | 4 | Faris He then NyanNyanian | Yes | Read Cat tongue nya |
| Passions Best Forgotten | 5 | Mayuri cosplay reply | Yes | Save/reload vs Princesses |
| Princesses of Chaos | 5 | Mayuri Fubuki/Kaede reply | Yes | Also Ch.1 Faris progress |
| Genius Girl’s Melancholy | 4 | True Ending Flag 1 mail Being here | Yes | Scientist chain |
| Message of Oblivion | 6+ suggested | Clear mail without reading, then leave chapter/worldline | Yes | KKB cleanup |
| Irreversible Reboot | 6 | Suzuha ending | Yes if you never stop | Save at D-Mail |
| Isolated Jamais Vu | 7 | Faris ending | Yes | Save at D-Mail |
| Link of Corruption and Rebirth | 8 | Luka ending | Yes | Do not call PhoneWave |
| Hide in Darkness | 9 | Moeka ending | Yes | Do not send D-Mail |
| Stardust Sky | 10 | Mayuri ending (0 flags) | Yes | Ch.10 |
| Paradox Meltdown | 10 | Kurisu ending (1-5 flags) | Yes | Ignore Flag 6 mail |
| Open The Steins Gate | 10 | True ending (6 flags) | Yes | Reply Where you are |
| All Worldlines Complete | After all endings | Complete all endings | Yes | Seven endings |
| 25% CG Achievement | Around 4 | Unlock 25% of CGs | No if you 100% | Steam name is literal |
| 50% CG Achievement | Around 6 | Unlock 50% of CGs | No if you 100% | |
| 75% CG Achievement | Around 9 | Unlock 75% of CGs | No if you 100% | |
| 100% CG Achievement | True ending | Unlock all CGs | No if you 100% | |
| Hero of RaiNet | 1-4 | All 13 RaiNet summaries | Yes | Own page |
| Froggy Fad Demise | 3+7 | All Gero Froggy wallpapers | Yes | Needs flags 1-2 |
| Sky Clad Observer | End | Played through everything | Yes | Observer overlap not yet confirmed |
Do the walkthrough once for Mayuri plus extras, then the true ending flag run, then any leftover Phone Trigger trophies. Ending trophies need a save at each Chapter 6-9 prompt.
Last verified: August 21, 2026. Steam app 4012810. Uncertain items are marked not yet confirmed.
Sources
- Kiri Kiri Basara 100% Guide (Martin, 19 Aug 2026)
- Kiri Kiri Basara review (13 Aug 2026)
- Kiri Kiri Basara Digital Deluxe review (15 Aug 2026)
- Official English site
- Steam store
- Steam achievements
- Videos used as research (facts extracted, not copied): KKB 100% Guide, KKB review, Noisy Pixel review
STEINSGATEREBOOT.site is an unofficial fan-made guide and is not affiliated with MAGES., Spike Chunsoft, or the game’s rights holders.
achievements