How to Make a 2D Multiplayer Game Without Writing Netcode
Most people who set out to make an online game finish the single-player part and then stall on the network. Prediction, reconciliation, anti-cheat, persistence, scaling and hosting are each a project of their own. If your goal is the game, not the infrastructure, use an engine that has already made those decisions.
What "server-authoritative" means#
The client never tells the server what happened. It sends intent: move to this tile, use this ability. The server validates it, decides the outcome, and sends back the result. Cooldowns, mana costs, range checks and death are all decided on the server, so a modified client cannot give itself a bigger sword.
What the engine already handles#
ED5 MMO Studio is a standalone 2D isometric engine with:
- A Node.js game server running a fixed 20 ticks-per-second loop, with movement, combat, economy and world systems.
- A PixiJS 8 browser client that renders isometric tiles with lighting.
- A PostgreSQL database so the world and characters persist.
- A no-code editor (in the browser and as a desktop app) for maps, items, abilities, mobs, NPCs, quests, crafting and more.
- A TypeScript plugin SDK for the things the editor does not cover.
What is still your job#
- Design. What your world is, how fast players level, what is worth trading.
- Content. Maps, art, quests and dialogue.
- Operations. Running a server, either on the hosted option or your own machine. It is a real server, so plan for it.
A sensible first week#
- Follow the Quick Start to paint a map, add an item and a mob, and play-test.
- Take the Studio Tour so you know where each editor lives.
- Add one system at a time, such as an ability, then crafting, then a quest. Play-test after each.
- Only then invite other people in.
If you already have RPG Maker content, read how to turn an RPG Maker MZ project into an MMORPG.