Indefinite Promocodes

Mr.Autofire Wiki Promocode

Code: www.mrautofire.wiki
Reward: 2 hero medals
Expires: Never
Explanation: Lightheart made a code to commemorate the wiki

Bunny Track Hidden Code

REVEAL

Code: 23125

Reward: 50 energy
Expires: Only active during bunny track events
Explanation: There is a hidden code out of sight in Room 11. You need triple jump, jetpack, or ninja up to see it

World 12 Hidden Code

REVEAL

Code: 216335354

Reward: Two Random Shards
Expires: Never
Explanation: The lolly-shells along the bottom spell out a code, but it’s been deliberately made harder to work out what it is. If you look carefully, the group of 18 are actually disconnected, with the first purple shell being the start of a new group. Maybe one day they will add a bigger gap.
This was added in the 2.5 release.
Was accidentally taken out by the developers, but the code still works

Hidden Ice Castle Code

REVEAL

Code: 13465

Reward: Fursus Shards x2
Expires: Never
Explanation: There are giant dice, with the numbers 2-1-3-4-6-5, in a level in Ice Castle

Hidden Metal Castle Code

REVEAL

Code: 123461

Reward: Amorita Shards x2
Expires: Never
Explanation: There is a puzzle under the gate in one of the Boss Levels. Solve the last line of the puzzle to get it

Hidden Fire Castle Code

REVEAL

Code: 416613

Reward: Blazia Shards x2
Expires: Never
Explanation: There are glowing numbers at the bottom of several pillars, in a level that forces you to rush past to avoid laser-beaming enemies

Hidden Poison Castle Code

REVEAL

Code: 92707

Reward: Dr. Toxic Shards x2
Expires: Never
Explanation: Numbers are written under bombs in an angel room. Partially visible unless you detonate the bombs

Hidden Magic Castle Code

REVEAL

Code: 6457

Reward: Hecate Shards x2
Expires: Never
Explanation: There is a puzzle in one of the game levels, with skulls - and a translation key under the gate (This level does not play each time, so you may have to play through more than once to see it)

Hidden Lightning Castle Code

REVEAL

Code: 32154

Reward: Zusara Shards x2
Expires: Never
Explanation: Numbers are created by how spikes are hidden in the ceiling of one level. Jump up to see

Hidden Dark Castle Code

REVEAL

Code: 13537

Reward: Random Hero Shards x4
Expires: Never
Explanation: There are roses with Roman numerals. Count the roses, and sort by the Roman numerals

There is also one more secret promo code hid somewhere in the settings menu!