🏗️ Tower Builder

Stack floors by typing sequences before rising lava swallows the tower.

How it works

Each completed sequence of keys adds a floor to your tower. Lava rises from below at a steady rate that increases the longer you last, so you have to keep adding floors faster than it climbs. Break your combo and you freeze briefly while the lava keeps coming.

It is the most unforgiving game here, and deliberately so: there is no safe pace, only a pace that is fast enough. Combos build stronger floors, so accuracy compounds rather than merely avoiding a penalty.

What it trains

Playing it builds typing accurately while under time pressure, which is a different skill from typing accurately at leisure. Every run also feeds your key profile, so the time counts towards knowing which keys are costing you the most.

The other games

• 💥 Key Blaster — Letters fall from the top of the screen. Type them before they land.
• 🏎️ Turbo Type — Race a car around a track by typing words as fast as you can.
• 🛡️ Defense Mode — Enemies close in from both sides. Type their letter to stop them.
• 🔀 Word Scramble — Work out the scrambled word and type it before the timer runs out.
• 🎯 Accuracy Sniper — Full sentences where every single keystroke counts.
• ⛓️ Combo Chain — One minute. Keep the chain alive and it keeps getting longer.