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Undertale Multiverse Simulator WIKI
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  • Codes
    • Codes No verified UMS 1.5 promo codes as of September 2026. Check Discord and any in-game redeem box after live updates.
    • How to Redeem PC and mobile redeem steps for UMS 1.5, plus case sensitivity, expired codes, and why that box may be missing.
  • Guides
    • Guides Overview Hub of 1.5 walkthroughs: first join, soul grinding, PC/mobile controls, phases, evolutions, and beating Pesti Sans.
    • Getting Started Day-one 1.5 route: join the live place, learn R and Z, open the starter room, buy cheap kits, then grind souls.
    • How to Join Join live UMS 1.5: place 112050560592995, 16+ reports, 10-day account notes, July closure, and why the original is unsafe.
    • Grind Souls Soul farm pace in 1.5: 24 hours to first million, 200k zone breakpoint, AFK notes, and kits you should not buy.
    • Controls PC, mobile, and gamepad binds for 1.5: R lowers HP for orange and blue bones, Z opens the emote wheel, X is shiftlock.
    • How to Phase Phases in 1.5 are extra soul prices in the character room, not a hidden key. Epic, Toxin, and Dusttrust costs.
    • Beat Pesti Sans Beat Pesti Sans for the badge, then spend 2,000,000 souls to use him. Range, dodge, heal, and event rerun notes.
    • How to Evolve Evolution rooms for Killer, Alpha, Scarlet Tenacity, Hyper Dust, Fatal Error, and Revenge Papyrus ACT 3 costs.
  • Tier List
    • Tier List Opinionated UMS 1.5 S through C ranks by PvP pressure, farm speed, and soul-cost efficiency, not a gacha list.
    • Starter Tiers Which cheap UMS 1.5 starter kits actually farm, which are flavor, and why Pacifist Sans is called too strong now.
    • Stronger Tiers UMS 1.5 stronger-zone S through C ranks for left and right rooms: spikes, skip kits, Ink, trios, and ACT 3 picks.
  • Characters
    • Characters UMS 1.5 character hub: Pacifist Sans, Scarlet Tenacity, starter kits, stronger rooms, event bosses, and evolutions.
    • Starters Community-reported starter kit costs, white-portal steps, and which cheap AU kits actually farm souls in UMS 1.5.
    • Stronger Zone UMS 1.5 left vs right stronger-zone soul costs from PPHS72 showcases, with phases, ACT 3, Ink, and farm notes.
    • Events Pesti Sans, Obsessed Monster, and UMS 1.5 event badges: soul costs, fight notes, and what is still not public.
    • Evolutions How UMS 1.5 phases and evolutions work: Scarlet Tenacity, Hyper Dust, Fatal Error, Ink, Dusttrust, and room bugs.
    • Pacifist Sans Free 0-soul Pacifist Sans in UMS 1.5: reworked starter kit, community NERF PACIFIST talk, and named SANES 2 evolutions.
    • Scarlet Tenacity Scarlet Tenacity in UMS 1.5: new August 2026 base plus Phase 2 and Phase 3 evos; public soul costs unknown on pads.
  • Updates
    • Updates Patch timeline for Undertale Multiverse Simulator 1.5: May remaster, July Pesti, August kits, and September badges.
    • Version 1.5 What changed in the 1.5 remaster: reworked kits, no soul transfer, 16+ notes, and how to find the live Roblox place.
    • Original Game History of the original UMS place: Discord soul restores, the 2025 hack, and why you should not join the old file.
    • Badges Live UMS 1.5 Roblox badges as of 13 Sep 2026: Pesti Sans Defeated, ..., youve pushed too far, and but he gave up...
  • Scripts
    • Scripts Public scripts for UMS 1.5 are scarce. Read old-game claims, executor risk, and why Roblox bans still happen now.
    • How to Use How to use scripts in UMS 1.5: executor keys, remaster breakage, and why Roblox account bans still happen now.
    • Auto Farm What auto-farm would even do in UMS 1.5, why AFK legal play is safer, and the 24-hour million-soul grind pace.
  • Tools
    • Tools Practical UMS 1.5 tools: soul-unlock brackets, a controls cheatsheet, plus links into grinding and starter kits.
    • Soul Unlock Soul unlock checklist for UMS 1.5 with 1.5 kit costs from 200k to 2.9M and original-wiki starter prices listed.
    • Controls Sheet UMS 1.5 controls cheatsheet for PC, mobile, and gamepad, including the R HP drop, Z emotes, and X shiftlock use.
  • Links
    • Official Links Official Roblox page, Discord invites, unofficial Fandom wikis, and this fan wiki for Undertale Multiverse Simulator 1.5.
    • Discord Trusted Discord invites for Undertale Multiverse Simulator 1.5, plus fake-server warnings and how codes used to drop.
    • Community Fan wikis and YouTube showcasers for Undertale Multiverse Simulator 1.5, labeled unofficial and tied to in-game guides.
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Undertale Multiverse Simulator WIKI

Unofficial fan wiki for Undertale Multiverse Simulator on Roblox.

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