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Blockout
Blockout is a three-dimensional puzzle game released in 1989 for DOS systems. It extends the Tetris formula into three dimensions, challenging players to rotate and position falling blocks within a cubic playing field. Players must complete layers by filling them entirely, at which point they disappear and new blocks descend. The game features multiple difficulty levels that increase block drop speed and complexity. Controls involve rotating blocks along different axes and moving them horizontally while managing spatial awareness in all three dimensions. Success requires planning ahead and anticipating how pieces will fit together. The game progresses through increasingly challenging stages where players must adapt their strategy. With its novel 3D mechanics and escalating difficulty, Blockout offers a distinct puzzle experience that differentiates it from traditional two-dimensional puzzle games.
- Released
- 1989
- Platform
- DOS
- Genre
- Action
- Rating
- 4.5 / 5 (1.6K)
- Last updated
Blockout Controls — DOS Keyboard Keys
Default keyboard bindings for Blockout on our in-browser DOS emulator. Plug in a USB or Bluetooth gamepad to auto-detect mappings, or rebind any key from the emulator settings menu.
DOS games use the keyboard directly as the controller — there is no console-button mapping. Open the in-game documentation or check the game-specific options screen for the key layout used by this title.
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
Blockout Longplay & Gameplay Videos
Watch a full playthrough of Blockout on DOS before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Blockout" DOS longplay 1989
External references
Frequently Asked Questions
When was Blockout released?
Blockout was released in 1989 for the DOS.
What type of game is Blockout?
Blockout is a Action game for the DOS, playable instantly in your browser — no downloads, no installs.
How can I play Blockout for free?
Open this page and click "Play Now" — Blockout runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Blockout in the browser?
No. Blockout streams from a public archive into a browser-side DOS emulator. Nothing is installed on your computer.
Can I save my progress in Blockout?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original DOS cartridge supported.
Does Blockout work on mobile devices?
Yes — the DOS emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Blockout this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Blockout. Game files are fetched on demand from publicly-accessible archives. You are responsible for compliance with your local laws and the bring-your-own-ROM principle.
