CORE
ARITHMETIC
Score
0
0:00
1
Wave
×
1
0
+
Core
Arithmetic
Pop the bubbles before they break the wall.
Play
Shop
Mastery
Awards
Stats
Cheat sheet
Settings
Quit game
?
Normal
Zen
Arcade
✕
Difficulty
Operations
Saved setups
Pace
Slow
Normal
Fast
Wave
1
In waves
Non-stop
Lives on
Endless
Leaderboard
›
Start
?
Paused
Resume
Restart
Settings
End run
New best
Wall breached
0
Score
1
Wave
0:00
Time
×1
Best combo
0
Popped
Watch an ad: double XP and coins
Next level
Play again
Change setup
Main menu
?
Shop
0
+
✕
Choose a card
It lasts for the rest of this level
Wall breached
10
Rebuild the wall and keep going?
You have
0
No thanks
Back
Next
Close
Controls
Pick an action, then press the key you want for it. Arrow keys always move the selection, and Esc always pauses.
Reset
Done
Profiles
✕
Each profile keeps its own progress, coins, skins, records and settings.
Done
Music
✕
Now playing
0:00
0:00
Volume
?
Coin shop
0
✕
Coins unlock bubble skins, backgrounds, themes and cheat sheet slots. You also earn them in every run.
Sound board
■
✕
The combo sound as a streak of pops, at the speed below; then every other sound with its measured loudness.
?
Leaderboard
✕
?
Stats
✕
?
Cheat sheet
0
✕
Hold the sheet button (or its key) during a run to read these. While you hold it, the sheet covers the playfield and the bubbles keep falling.
?
Achievements
✕
?
Mastery
XP earned on a full wheel is banked. It is paid out when the tier reaches its next rank.
Done
Settings
Music
Sound effects
Answer with
Choices
Numpad
Numpad layout
1 2 3 on top
7 8 9 on top
Display
Window
Fullscreen
Top bar in a run
Full
Compact
Hidden
Graphics
Auto
High
Medium
Low
Effects
Screen shake
Flashes
Vibration
Language
How to play
Controls
Skin lab
Test: overtime
Test: frame time
Done