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MATH
SPACE
ATTACK
DEFEND EARTH · BEAT ALIENS WITH MATH
► START GAME
CHOOSE QUESTION TYPE
ADDITION
a + b = ?
Basic addition
a + ? = c
Find the missing addend
? + b = c
What goes on the left?
a+b+c = ?
Three numbers
a+b−c = ?
Mixed add & subtract
SUBTRACTION
a − b = ?
Basic subtraction
a − ? = c
Find the missing number
? − b = c
What's the starting number?
MULTIPLICATION
a × b = ?
Times tables
a × ? = c
Missing factor
? × b = c
Missing factor (left side)
DIVISION
a ÷ b = ?
Basic division
a×b÷a = ?
Multi-step
◄ BACK
▼ CHOOSE YOUR STARTING LEVEL
◄ BACK
GAME
OVER
YOUR NAME
► PLAY AGAIN
◁ MENU
▮▮ PAUSED
► RESUME
▲ LEVEL UP —
pts
↻ RESTART LEVEL
☰ CHANGE LEVEL
◁ MAIN MENU
0–9
type your answer
ENTER
fire laser
U
instant level-up (spend points)
ESC
pause / resume
D
toggle debug panel
▶ DEBUG
Speed offset
−10
+0
+10
Spawn offset
−0.5s
+0s
+0.5s
Number range
−1
+0
+1
D to close | resets on new game