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Captain Callisto
Race a compact moonlit platform course, reach the flag, and shave seconds from each clean level clear.
What is Captain Callisto?
Captain Callisto is a free browser game in the action genre on Browser Game Lab. It loads directly on the page, supports desktop and touch browsers, and pairs the playable game with controls, tips, FAQs, related games, and score context.
- Best for
- Action
- Difficulty
- Hard
- Session length
- 3-7 minutes
- Scoring
- Lower milliseconds ranks better on the leaderboard.
How to play
Learn the objective before jumping into a new run.
- Click the canvas, then use the keyboard controls shown in the game to move and jump.
- Navigate the platform route and reach the flag at the end of the level.
- A flagpole clear sends the native elapsed time for a validated leaderboard result.
Controls
Keyboard and touch instructions for this game.
- Click the canvas, then use the keyboard controls shown in the game to move and jump.
- Reach the flag to finish the current level.
- A level clear publishes its native elapsed time for the reviewed leaderboard.
Tips
Small habits that can improve your score.
- Learn the platform rhythm before trying to save seconds.
- Keep a steady movement line into a jump instead of making a late corrective turn.
- When racing a time target, a safe clear is more valuable than a restart near the finish.
FAQ
Quick answers for common questions.
What starts a Captain Callisto score?
The adapter listens for the source game's native flagpole level-clear event.
Is a lower time better?
Yes. Captain Callisto ranks completed levels by the shortest valid elapsed time.
Why is the build pinned?
The immutable package keeps the reviewed runtime, score semantics, license notice, and source commit tied together.
Related games
Keep the session going with another lightweight browser game.
SpacePi
Navigate a compact geometric space course, complete each level, and refine the run for a cleaner result.
- Inputs
- Keyboard + Mouse
- Source
- Open source
Maze Runner
Explore a streamed third-person 3D maze, or switch to the classic grid and route from start to goal.
- Inputs
- Keyboard + Mouse + Touch
- Source
- First party
Neon Hover Circuit
Pilot a full-control hover racer through daily neon circuits and an endless survival track.
- Inputs
- Keyboard + Touch
- Source
- First party
Open-source package details
This version is pinned, self-hosted, and reviewed independently from future upstream changes.
- Author
- Cody Ebberson
- License
- MIT
- Source code
- View upstream repository
- Pinned source
43651f9a- Full commit
43651f9a6b273b60f3cb382b93334fb8e7cbc348- Reviewed build
81d61240- Integrity
sha256:81d612402ec711059fd8e55446567ed0aba9c7534ecdcb74ab23b2fced2ebb0b
Attribution
Copyright (c) 2021 Cody Ebberson
Modifications
- Concatenated the pinned runtime source in upstream build order without running upstream tooling.
- Removed external source URLs from shipped code comments and retained the MIT notice.
- Added a nonce-protected lifecycle, resize, and level-clear time Bridge.
- Added strict package CSP with no network dependencies.
- Added nonce-bound host touch controls for movement, jump, jetpack, and full release on interruption.
- Added responsive canvas scaling and native pointer confirm or jump input for embedded and fullscreen play.
- Added an in-memory storage fallback for opaque local review sandboxes while preserving origin-backed storage on the isolated production asset host.
- Routed native music and effects through separate host-controlled gain nodes with nonce-bound global mute and volume settings.
- Made the site sound-enable action resume the native AudioContext and play a lightweight confirmation tone without blocking on full soundtrack generation.
Third-party notices
- Captain CallistoMIT · Copyright (c) 2021 Cody Ebberson
LICENSE.txt
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