Five Nights at Freddy's

Five Nights at Freddy's (PC, 2014) has code that decompiles almost back to source, AITYunivers/NebulaFD, and 3 other public projects, including a decompilation and a source port.

Data checked 2026-10-12 · unbaked registry

PortMaster

Projects

FNaF decompiled (NebulaFD)

Readable bytecode225 starspushed 2026-09-28no licenserelease september_2026_update

A work in progress, reimagined decompiler for Clickteam Fusion.

Clickteam games decompiled with NebulaFD/CTFAK and recompiled

FNAF1-Recomp-proj

Source portXbox 360 xdk3 starspushed 2026-10-11no license

A very experimental C++ port\clean-room reconstruction and recompilation of FNAF 1,2,3,4 and SL for the Xbox 360 (No Assets Included) This project is NOT IN any way related to “FNAF X360 - IN DEV”

FNaF-Decomp

Decomp · Readable bytecode.NET decompilation of WP7/8 XAP builds1 starspushed 2025-10-28no license

A Five Nights at Freddy's Windows Phone Decompilation.

A Five Nights at Freddy's Windows Phone Decompilation; no GitHub releases; repo created 2025-10-28

PortMaster port 'fnaf1'

Readable bytecodeC# (XNA/FNA/MonoGame) on Mono/.NET with FNA; decompile with ILSpy/dnS…

Commercial/indie or freeware.NET game packaged in PortMaster (main) as fnaf1, updated 2026-10-03; needs user game files

What you need

You need your own copy of the game: these projects ship code only.

Same toolchain

GameMethodYearStarsLast push

DOSDoomSource releaseMatching decomp+8199320k2026-10-12 DOSCommand & ConquerSource releaseReimplementation+2199518k2026-10-12 WEB2048Source releaseReimplementation+1201413k2026-08-19 PC2048 PlusReadable bytecode13k2024-10-24 PCMinecraft: Java EditionReimplementationSource port+220117.6k2026-10-11 PCBattle for WesnothSource release20056.9k2026-10-12 DOSQuakeSource releaseMatching decomp+419966.1k2026-10-12 PCThe Elder Scrolls III: MorrowindReimplementation20026.6k2026-10-12

More on PC

GameMethodYearStarsLast push

PCMindustrySource releaseAgent environment201929k2026-10-11 PCosu!Source releaseReadable bytecode+1200719k2026-10-12 PCCommand & Conquer Remastered CollectionSource release202021k2025-01-16 PCRollerCoaster Tycoon 2ReimplementationAgent environment200216k2026-10-12 PCDune 2000Reimplementation199818k2026-10-11 PCAge of Empires IIReimplementation199914k2026-10-03 PCCataclysm: Dark Days AheadSource release201313k2026-10-12 PCCivilization VSource releaseReimplementation201011k2026-10-12

Found via SubmitGame/awesome-decomp-games, PortsMaster/PortMaster-New/tree/main/ports/fnaf1, PortsMaster/PortMaster-Info/blob/main/ports.json

GitHub data checked 2026-10-12. Notes are summaries from the research pass; the project pages are the authority.