Shared World Framework
A reusable pattern for adding player slots and remote avatars so a favorite world can welcome the whole group without losing what made it special.
- 6502
- RAM maps
- Netplay
Multiplayer mod development
Rediscover
Your Favorites Together
The games we love are tied to memories. Now We Co-op turns solo classics into multiplayer adventures so the whole group can step into those worlds, play a part, and make new memories together.
- Shared adventures
- Everyone plays a part
- New memories together
HOST / LOCALHOST READY
SYNC04 ms drift
3 PEERS / REMOTEALL READY
21:08:14 three remote players joined world
21:08:15 state checksum matched
21:08:15 multiplayer session stable _
FAVORITE GAMES+SHARED WORLDS+FULL PARTIES+NEW MEMORIES
// Mod workbench
Building the systems that turn solo memories into shared experiences.
The engineering matters because the experience matters. Every player slot, synchronized action, and tested edge case helps the whole group feel like they truly belong in the same world.
Party Sync Lab
Small, repeatable tests that keep every player in the same moment, even when connections arrive late or the action gets crowded.
- Lua
- Determinism
- Latency
Group Replay Harness
A deterministic playtest rig that records full-party sessions, catches desyncs, and helps everyone get the same reliable shared experience.
- FM2
- Testing
- Tooling
// The porting loop
From a game you remember to a world everyone can share.
Co-op modding is equal parts archaeology, engineering, and playtesting—all in service of making the experience feel natural when the entire party arrives.
INPUT1 favorite gameOUTPUTCountless shared moments
- 01RAM map + trace notes
Map what makes it special
Find the player state, object tables, camera rules, and the routines that shape the world everyone remembers.
- 02Playable party prototype
Invite the whole party
Reserve additional object slots, add guarded patches, and teach the game how to welcome a growing party safely.
- 03Connected multiplayer sessions
Keep everyone together
Sync the state that matters, smooth remote movement, and keep every player present in the same shared moment.
- 04Tested patch + guide
Make the memory last
Replay group scenarios, hunt desyncs, refine the rough edges, and deliver an experience friends will want to revisit.
// One world, shared by everyone
“The point isn’t simply more players on screen. It’s giving everyone a memory they can say they shared.”
Preserve what made it special
Keep the feel, the rhythm, and the moments people remember, then make room for the group to experience them together.
Keep everyone in the moment
Movement, progress, and world state should stay connected so no one feels like they are playing a different version of the story.
Make every player matter
Multiplayer should never feel like one lead player plus spectators. Every slot needs agency, purpose, and a reason to return.
// Bring everyone back together
Bring back the game everyone still talks about.
Turn a solo favorite into the next shared story for your group. The game is familiar. The memories you make together will be new.