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Developer Tools

Private testing controls. Bot matches do not award wins or chest progress.

You 100
Shield Stored 0/2 0
0:00
Your Arena Default Arena
Rival 100
Shield 0
Match starts in 5
Minimap See both gladiators

WASDMove

RReload

2Surge

3Apply stored shield

Craft arenas that give you an advantage against your opponent.

Sphere Spiral
12
charged 4.0s
Shield x0
Surge
WASD Move Mouse Look Click Fire Right Click Scope Space Jump R Reload F Fullscreen B Blank 2 Surge 3 Shield

F Press F to alternate between minimized and maximized play

Colosphereum™

Player-Crafted Arena Duels

Public Beta
1v1 arena
Gladiator Pilot

Sphere Colors

Private Duel Invite one gladiator

Colosphereum™
Mobile Command Public Beta
      Built for touch Dash! Swipe to survive the cyber track. Best 0

      Leaderboard

      All time / Today
          Weapon
          Craft Your Arena Default Arena - Included

          Each match randomly chooses your arena or your opponent's arena.

          Cosmetics

          Equip a constellation chant released when a duel begins.

          0
          Playtime0m / 3h
          Win streak0 / 5
          Dash!Next at 20,000
          Open a chest to begin your collection
          Privacy Terms Community Rules Arena License Age 13+ Suggestion Box Report Abuse
          © 2026 Colosphereum™
          Connected community

          LinkLounge

          Developer offline 0 online

          Designation required Choose and save a designation in the main menu before using LL.

          13+ public chat. Do not share personal information.

          At three report strikes, your reported messages will be reviewed by a moderator.

          General chat

          LinkLounge

          Connecting

            The lounge is quiet. Start the conversation.

            0/250

            Here now

              Messages disappear from live chat after two minutes. Reported messages remain available for moderation.

              Player profile

              Gladiator

              Report strikes

              Three separately reported messages trigger developer review.

              Reported messages

                Developer moderation

                All LinkLounge players

                  Dash!
                  Score0
                  Best0
                  Multiplier 1x
                  Shots
                  5
                  Barrier Broken
                  Breaker +1
                  2x Score

                  Run complete

                  Track breached

                  Score 0 Best 0
                  Swipe left/right for lanes. Swipe up to jump. Swipe down to smash. Tap to fire. AD / ←→ Lanes W / ↑ Jump S / ↓ Smash Space Fire B Blank

                  Craft Your Arena

                  Select a piece. Use ← → to rotate it

                  Opponents will fight you in the arena that you create. Make an arena that gives you an edge!

                  Your Arenas 0/3
                  Fairness Requirements

                  Required: 4 shield orbs and at least 4 shapes on each side. Shield orbs cannot be placed on the dotted horizontal line.

                  Top Side0/4 shields0/4 shapes Bottom Side0/4 shields0/4 shapes
                  Complete both sides to save.

                  You don't have to place every available piece.

                  You don't have to use every available cut.

                  Blocks
                  Arena & Bleachers

                  ←→Rotate selected piece

                  Select a piece

                  Matchmaking

                  Finding an opponent

                  10 seconds
                  Arena Hint

                  Craft unique arenas to defeat your opponent

                  Your invite code ------

                  Public duel

                  Opponent disconnected

                  Waiting for the opponent to reconnect.

                  10

                  Arena menu

                  Menu

                  Top 50

                  All time / Today

                    Round complete

                    Victory

                    Renderer unavailable

                    Three.js could not load in this browser session.

                    Spherical chest opening

                    Common chant Aether Arc