Runner Party — Hugo Leblanc
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Runner Party

A platform racing and fighting game for up to 4 players, local and online.

role
co-owner, lead dev
since
2020
status
Steam Early Access
stack
Unity · C# · FishNet
View on Steam ↗

WHAT I BUILT

  • slide
  • jump
  • grapple
  • items ×10
GAMEPLAY

Movement and items

Slide, grapple, jumps, about ten items, elimination rounds and a camera that keeps every player in frame.

ONLINE

Rollback netcode

Deterministic simulation at 60 ticks/s, adaptive input delay and rollback. Chosen after testing and measuring four architectures.

Read the article →
AI

Bots that play like players

Automatically generated navigation graph, maneuvers imagined with the real physics, three difficulty levels.

Runner Party main menu in front of an arcade room, with Local, Online, Tutorial, Settings and Exit buttons.In-race HUD in Super Mustache World: two player cards at the top and a character tagged P1 on a cloud platform.Runner Party character selection screen: a character picked for player 1 and a grid of character portraits.
CONTENT & UI

Levels, menus and animations

Levels, menus, HUD, skins and Spine animations.

GALLERY

Four characters, marked P1 to P4, in an ice cave level; their player cards are shown at the top of the screen, and two "?" item boxes sit on the platforms.
A sewer level where three carnivorous plants play guitar on a purple-lit stage; two "?" item boxes float on the left, and the four players’ cards are shown at the top of the screen.
Runner Party online match seen by a client: at the top, a bar of network figures (jitter, delay, guessed ticks, rollbacks, frame rate); below, the player cards and four characters tagged P1 to P4.
Four AI-driven characters run side by side through the jungle near an arcade cabinet; one of them opens an item box.

IN THE DEVLOG

netcodeHow I built rollback netcode for a 4-player platformer in Unity