Story
Light the Digit Trail across five worlds with Pip and Mina. Solve problems to light lamps, earn stars, and unlock the next stage.
Available now · iOS & Android
Mental Math Champion
Get faster at mental math by playing a game you’ll actually want to open.
No worksheets. Light lamps on a story trail, race the clock, climb the boards, and descend Fog Run — a 12-floor math roguelite where every answer keeps you alive. No account required. Progress stays on your device.
Modes
Four ways to play
Five minutes or an hour — pick a mode and feel sharper either way.
Training
Nine practice modes — tables, flash cards, math tricks, speed rounds, missing number, carry & borrow, word problems, and more.
Competition
Speed, Most In A Row, and Continuous races with mixed operators. Climb Game Center or Google Play Games leaderboards.
Fog Run
A 12-floor math roguelite: draft relics, guard your hearts and the lamp, discover synergies, and chase deeper escapes.
Story
The Digit Trail
Adventure awaits. Journey through worlds like Meadow Trail, River Crossing, and Peak Climb. Practice that feels like a quest — because it is one. Earn up to three stars per stage and unlock the path ahead.
Training
Nine ways to level up
- Math Tricks — shortcuts that make hard problems feel easy
- Multiplication & Division Tables
- Flash Cards — flip, then Got it or Missed it
- Single Operator — +, −, ×, ÷, or mixed
- Speed Round — beat the clock
- Missing Number, Carry & Borrow, Word Problems
Competition
Prove you’re fast
Race in three formats: how quickly can you nail a set of correct answers, how long can you protect a streak, or how far can Continuous carry you. Mixed operators every run. See where you stand on online leaderboards.
Fog Run
A math roguelite
Descend 12 foggy floors. Draft relics across six rarities. Guard your hearts and a shared lamp clock. Choose your path, unlock tag synergies, and chase escapes. Short runs. High tension. Infinite “one more try.”
Progress
Watch yourself get better
Daily streaks
Show up, solve a problem, keep the fire going. Stats and personal bests stay private on your device.
Achievements
Volume milestones across Training, Story, Competition, and Fog Run — plus perfect-world Story badges.
No account needed
Open the app and play. Optional Game Center / Play Games power leaderboards when you want them.
Free & Premium
Play free with optional ads. Premium removes ads and unlocks harder Training difficulties, extra math trick packs, custom drills, and unlimited Fog Runs (free tier has a daily Fog Run limit, or watch a rewarded ad for one more).
Store art
App Store screenshots
In the app
Gameplay captures
Privacy & support
Developed by Stealth Launch, LLC. Mental Math Champion is an educational game — not affiliated with any school curriculum or testing board.