Muck: Everything about upgrades

Orange Juice (White) – increases attack speed.
Dumbbeli (White) – increases initial damage.
Danis milk (Blue) – increases damage.
Horshoe (Blue) – increases the chance to deal critical damage ( about twice the normal damage ).
Crimson knife (Blue) – chance to gain some health on hit.
Bulldozer (Blue) – chance to knock the mob back on impact.
Sniper Scope (Yellow) – increases the chance to hit an area.
Adrealine (Yellow) – when you have less 30% health, your damage increases.
Knuts Hammer (Yellow) – extra lightning damage.
Wings of glory (Yellow) – when you jump and strike, you do more damage.
Berserk (Yellow) – the less health, the more damage.

Broccoli (White) – health regeneration.
Red pill (White) – increases maximum health by 10.
Blue Pill (White) – adds a shield to 10.
Damn it (Blue) – for every kill you get +1 to health.

Sneakers (White) – increases movement speed.
Jetpack (White) – increases jump height.
Janniks Frog (Blue) – adds one more jump.

Peanut butter (White) – reduces stamina waste (pink stripe).
Checkered Shirt (Yellow) – increases the damage you inflict on resources.
Piggybank (Blue) – in chests that are in carts, or in huts, better loot spawns.

Special thanks to this guy. He wrote this guide, and allowed me to translate it for the Russian Muck community.

Special thanks to this guy.
He wrote this manual and allowed me to translate it for the Russian Muck community.