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Plan a multiplayer game around one shared goal

Give each player a reason to cooperate, compete, or make a different choice. Shape a small multiplayer concept by defining player roles, the shared objective, and interaction rules. Begin with one scenario your team can discuss and test before expanding the mode.

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  • Free starter credits
  • No coding required
  • Review cost before generating
  • Runs in your browser

Partners and teams

Google
Stanford University
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Harvard University
AWS
POKI
TikTok
UC Berkeley
Microsoft
Demon Slayer
Baidu
Columbia University
NVIDIA
ANIPLEX
The University of Hong Kong
Trustpilot

How it works

Build a Labubu theme park ride

Sketch a candy-colored coaster, build the track in SEELE, and take it for a spin.

  1. Step 1
    A sketchbook showing Labubu in a pink coaster car, a lift hill, and a candy-colored theme park

    Sketch the ride

    Picture Labubu riding a pink coaster through a candy-colored park. Sketch where the train climbs, drops, and sweeps past the carousel.

  2. Step 2
    A workspace concept showing coaster track pieces, a pink train, and Labubu riders

    Build the track in SEELE

    Ask seeleAgent to lay out the track, add the train and riders, and connect the lift hill and banked turns into a loop that returns to the station.

  3. Step 3
    A full-screen coaster game view showing Labubu riders in a banked turn, with a lap counter, track map, and speed gauge

    Take the first ride

    Open the game preview and follow the train through a full lap. Watch how it climbs, picks up speed on the drop, and leans through the turn.

    Make a game for free

Pick a starting point

Choose a multiplayer design question

Explore a co-op objective, player roles, match rules, or a first playtest.

Give the team one goal to solve together

Define what the group is trying to accomplish and what each player can contribute.

Prompt

Design a co-op game scenario for two players restoring power to a flooded research station. One player can access the control room while the other can move through submerged maintenance tunnels. Give them one shared objective, a timed hazard they can see coming, and a way to communicate if they get separated. Keep the scenario short enough to explain in a minute.

  • One shared objective
  • Different player roles
  • A readable team challenge
Two player roles working toward a shared game objectiveMake cooperation necessary ↗

Why SEELE

What to decide before building a multiplayer mode

Start with a player count

Choose how many people take part and whether they share a screen, take turns, or play in separate sessions.

Give the group a clear objective

State what players are trying to achieve together or against one another, and how they know the round is over.

Make roles easy to compare

Describe what each player can do and what information or tools they have.

Plan the interaction rules

Decide how players communicate, take turns, share resources, or respond to another player’s action.

Look for idle or dominant roles

Ask whether every player has a useful decision and whether one role can solve the challenge alone.

Test a small scenario first

Try one short match or co-op encounter, then revise the rule that caused the most confusion.

Made with SEELE

Playable examples

These games are playable. Pick one and give it a try.

Who it’s for

Who can use a multiplayer game maker

Use a compact scenario to discuss player interaction before expanding the design.

A cooperative game concept with two player roles

Indie teams exploring co-op ideas

Compare player roles and a shared objective before planning a larger multiplayer mode.

AI Game Generator ↗
A versus game concept with a clear match objective

Browser 3D Game Maker

Write down the round structure and win condition so teammates can agree on what to try first.

Browser 3D Game Maker ↗
A multiplayer prototype prepared for a playtest

Designers reviewing team interactions

Use a short scenario to find unclear responsibilities, unfair advantages, or players who have too little to do.

AI Branching Story Game Generator ↗

Compare

Plan the player interaction before implementation

A clear plan helps teams agree on what to test. Online play still depends on implementation, networking, and testing.

FeaturePlan with SEELE AIPlan directly in a game project
First design questionWhat do players do together or against each other?Set up a project before the player interaction is clear.
Player rolesCompare each role’s actions and information in one scenario.Define roles across separate design notes.
Match structureState how play starts, scores, and ends.Add round rules while building the mode.
Early reviewCheck one short scenario for clarity and balance.Wait until more of the mode is implemented.
Technical workNetworking, synchronization, hosting, and testing still need implementation.Networking, synchronization, hosting, and testing still need implementation.

Reviews

Creator videos

FAQ

Multiplayer game design questions

What is an AI multiplayer game maker?

It helps shape a multiplayer game idea into a plan that is easier to discuss and review. Start with the player count, what players do together or against each other, and how a round ends.

How do I plan a co-op game?

Give players one shared objective and define what each person can contribute. A useful first scenario creates a reason to coordinate without making either player wait for long stretches.

How do I make multiplayer roles feel different?

Give roles distinct actions, information, or constraints. Then check whether each role matters to the objective and whether one player can complete the scenario alone.

What should I include in a multiplayer game prompt?

Include player count, platform assumptions, the core interaction, team or versus structure, round length, and win condition. Name one scenario to test rather than describing a whole online game.

How do I make a fair versus game?

Start with symmetrical rules and comparable opportunities. Test whether players understand scoring, whether one strategy dominates, and whether a player can recover after falling behind.

What is the difference between co-op and versus multiplayer?

In co-op, players work toward a shared outcome. In versus play, they compete for an individual or team result. Each mode should explain its goal and rules.

Can SEELE AI add online multiplayer to my game?

This page helps you plan a multiplayer concept. Networking, synchronization, matchmaking, hosting, and platform support depend on your game project and still need to be implemented and tested.

How should players communicate in a multiplayer game?

Decide what information players need to share and which communication methods fit the game. Treat voice chat and external services as separate product and implementation choices.

How do I test whether a co-op role is useful?

Ask players to complete a short objective and observe whether each person has a meaningful action. If one player can do everything or has nothing to contribute, revise the role or scenario.

How long should the first multiplayer prototype be?

Keep it to one short match or encounter with a clear start and end. A compact test makes it easier to spot unclear rules and balance problems.

What should happen when players tie?

State a tie rule before testing. You might share the result, compare a secondary objective, or replay a round, depending on the kind of competition you want.

Can I plan local multiplayer with this page?

Yes. Specify whether players share a screen or take turns, then describe how the interface communicates each player’s actions and status.

Does multiplayer game design require a game engine?

A written scenario can clarify the interaction before you choose tools. A working multiplayer build requires an implementation environment and technical decisions suited to your platforms and network model.

What should I review before releasing a multiplayer game?

Test role balance, connection behavior, privacy and safety needs, accessibility, moderation requirements, and platform rules in the actual build. Checks depend on the audience and features you implement.

Plan one multiplayer scenario

Set the player count, define the shared or opposing goal, and choose one short interaction to review.

Start a multiplayer idea →