Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A Decent Brain	Give 10 correct answers in Quiz mode.
A Sapper's First and Last Mistake	Lose 3 times in Bomb Disarming mode.
Alan Turing	Solve 50 equations.
Archimedes	Solve 10 equations.
Armor Piercer	Destroy 3 tanks in a row.
Bachelor	Give 30 correct answers in Quiz mode.
Bazooka Joe	Destroy 10 tanks in a row.
Brothers in Arms	Play with a friend.
Fresh Meat!	Be smashed by tank 10 times.
John Nash	Solve 100 equations.
Knowledge is a power!	Give correct answers to all the questions presented in the game.
Like in a Movie	Disarm a bomb during 3 last seconds.
Master of Logarithms	Win 10 math fights in a row without a single mistake.
Military Scrapyard	Destroy 31 tanks in a row.
Mountaineer	Win 10 fights in the mountains.
Negligent Student	Lose 2 math fights in a row without scoring a point.
Newton	Solve 30 equations.
Nomad	Win 10 fights in the desert.
Professor	Give 50 correct answers in Quiz mode.
Seasoned Minesweeper	Disarm 100 bombs.
Sod's Law	Explode while disarming the last bomb in the level.
Street Warrior	Win 10 fights in the city.
Summing Machine	Win 5 math fights in a row without a single mistake.
Think Tank	Give 100 correct answers in Quiz mode.
Woodsman	Win 10 fights in the forest.