Tangentfall
Early access · get the app at launch
Make the curve fall.
Calculus 1, played as an action RPG. Every node on the graph is a skill guarded by a sentinel. Answer right to slash it apart. Bosses guard every chapter.
Leaderboard
Everyone who can open this page, ranked by XP.
Win armors from bosses, streaks, combos and the Codex. Every armor ranks up from I to V as you play in it. The three crystals orbiting your hero are its shields.
Accuracy by skill
This clears your XP, stars, badges and stats on this device. Your hero and its name stay.
Calculus 1, played as an action RPG. Every node on the graph is a skill guarded by a sentinel. Answer right to slash it apart. Bosses guard every chapter.
Drag to explore · scroll or pinch to zoom · double-click to zoom in
XP from this run is not saved.
Boss encounter
Welcome to Tangentfall
Daily Rift
A new tear opens in the curve every day. Everyone in the world gets the same ten problems, so today’s leaderboard is a straight race.
Full game · early access
You have cleared the free part of the curve. The full game carries on where Calculus 1 gets interesting.
Chapters I–II and the Daily Rift stay free forever.
Thank you
The full game isn’t on sale yet. It arrives with the iOS and Android launch, and nothing was charged. Join the launch list and you’ll get the early-player price when it opens.
Your progress is saved in this browser. Keep playing the Daily Rift while you wait.
Theory · learn it, see it, test it
Drag to rotate · ← → to browse