Ballsmith
Build the path. Freeze time. Drop the ball in the cup.
A 2D physics puzzle for iOS and Android. Planks, bouncers, fans, portals, conveyors and magnets guide a steel ball into a brass cup, and once per level you can stop time while the ball is in the air.
- Our role
- Concept, game design, engine, level tooling, monetisation, store launch.
- Year
- 2026
- Platforms
- iOS · Android
- Stack
- FlutterFlameDartGame CenterPlay GamesAdMob




- Deterministic
- physics shared by game and level validator
- Every level
- machine-verified to be solvable
- 11 languages
- store listings and in-game text
The twist
Most contraption puzzles are solved before you press play. Ballsmith adds one move the genre did not have: freeze the ball mid-air, slide a plank or a portal into place, resume. Later levels can only be solved this way.
Engineering the physics
The simulation is pure Dart with no engine dependency, so the same code runs the game and a command-line validator. Every level in the catalogue is solved by the validator before it ships, and the hint system places one piece of a real solution.
Content and worlds
Hand-crafted levels across Toy Room, Kitchen, Garden, Laboratory and Space, each with its own look and rules. A daily puzzle, an endless mode with generated boards and a weekly five-level challenge with leaderboards.
Launch readiness
Three-star scoring, coins, costumes, rewarded and interstitial ads with regional consent, in-app purchases, Game Center and Play Games leaderboards, and store listings localised into eleven languages.
Next project
Sudoku Master
Other work

