Build A Plane

Build A Plane is a plane-building sandbox on Roblox developed by Budget Gaming, launched in June 2025. Players buy blocks from a shop, assemble a custom aircraft, launch it into procedurally generated biomes, and earn Cash based on how far it survives against obstacles. The plane flies offline too, accumulating Cash while you are away. With 611 million visits in under a year, it is one of the fastest-growing games ever on Roblox.

The loop combines creative block assembly with an idle earning mechanic. Buy blocks, wing components, and engines from the shop, assemble a plane on the build platform, then launch it into a sequence of procedurally generated biomes. Each flight earns Cash based on distance and survival. The plane handles obstacles autonomously, so a well-built design earns more without any additional input. Here is what makes up the experience:

• 🏠 Block Assembly - purchase and arrange structural blocks, wings, and engines on the build platform to shape your aircraft
• 💎 Rare Blocks - higher-rarity block variants with unique mutation properties that affect flight characteristics or Cash generation
• 🗺️ Procedural Biomes - the plane flies through procedurally generated biome sequences, so no two flights are identical
• ⏳ Offline Flying - the plane continues flying and earning Cash while you are logged out, making each login a collection event
• 🏆 PLANE Letters - five hidden badges spelling P-L-A-N-E are scattered through the game world as collectible easter eggs

Cash from each flight funds better blocks and upgrades, which improve the plane's durability and survival distance for future flights. Rare blocks with mutations can meaningfully change how a plane performs. The Free Flight sub-mode allows unrestricted flying without the earning mechanics for pure sandbox exploration. A seasonal Easter event place confirms that Budget Gaming runs holiday content cycles.

For players who enjoy the same offline-earning idle loop on the ground, Build a Roller Coaster follows a similar earn-while-offline structure with a track-building format.