All weapons and tier upgrades in Mouse P.I. For Hire

Micer Tier 1: Increases damage, clip size, and max ammo. Reduces spread and recoil. Alt-Fire fires three quick, accurate shots.
Tier 2: Increases damage, clip size, and max ammo. Reduces spread and recoil.
Tier 3: Increases damage, clip size, and max ammo. Reduces spread and recoil. Ideal at mid-range to take down smaller enemies. Devarnisher Tier 1: Increases projectile count, clip size, and max ammo. Reduces recoil. Alt-Fire fires a sticky acid blob that explodes after a short delay, dealing area damage and applying toxic damage over time.
Tier 2: Increases projectile count, clip size, and max ammo. Reduces recoil.
Tier 3: Increases projectile count, clip size, and max ammo. Reduces recoil. Shoots acid that eats away the enemy’s health over time. James Gun Tier 1: Increases damage, clip size, and max ammo. Reduces spread and recoil. Alt-Fire rapidly dumps a large volume of bullets at the cost of wider spread.
Tier 2: Increases damage, clip size, and max ammo. Reduces spread and recoil.
Tier 3: Increases damage, clip size, and max ammo. Reduces spread and recoil. Ideal for dealing with enemy groups at mid-range. It can also stop enemies from firing back. Boomstick Tier 1: Increases damage, pushback, and max ammo. Reduces recoil. Bullets pierce the first enemy hit. Alt-Fire charges up and releases a more powerful single shot.
Tier 2: Increases damage, pushback, and max ammo. Clip size is doubled. Bullets pierce the first two enemies hit.
Tier 3: Increases damage, pushback, and max ammo. Reduces recoil. Bullets pierce the first three enemies hit. This shotgun is a no-nonsense, high-burst, wide-spread weapon that does it all. But its effective range is pretty short, so you need to stay close to your enemies. Portable Freezer Tier 1: Increases clip size and max ammo. Freezes enemies faster. Alt-Fire shoots an icicle that explodes on impact, dealing damage and applying frost to all enemies in range.
Tier 2: Increases clip size and max ammo. Freezes enemies faster.
Tier 3: Increases clip size and max ammo. Freezes enemies even faster. Shoots an ice beam that can slow the enemy’s speed on contact. It can also completely freeze the enemy, and you can then shoot it down without taking any damage. Kiss Kiss Tier 1: Increases max ammo and projectile count. Boosts pushback and burn damage over time. Reduces recoil. Alt-Fire fires a heavy explosive round that blasts and burns every enemy caught in the impact.
Tier 2: Increases max ammo and projectile count. Boosts pushback and burn damage over time.
Tier 3: Increases max ammo and projectile count. Boosts pushback and burn damage over time. This gun shoots explosive rounds that do splash damage and can set the enemies on fire. This is an ideal weapon for clearing enemy waves. Jar-Head Tier 1: Increases damage, clip size, and max ammo. Boosts enemy stun duration and projectile speed. Reduces recoil. Alt-Fire channels a concentrated beam that deals massive damage on headshots.
Tier 2: Increases damage, clip size, and max ammo. Boosts enemy stun duration and projectile speed. Reduces recoil.
Tier 3: Increases damage, clip size, and max ammo. Boosts enemy stun duration and projectile speed. Reduces recoil. This gun is ideal for stunning enemies. It’s a great crowd-control option and works on all (except bosses). Loose Cannon Tier 1: Increases damage, blast radius, pushback, and max ammo. Reduces recoil. Alt-Fire charges up and fires crushed cannonball fragments that scatter across enemies.
Tier 2: Increases damage, blast radius, pushback, and max ammo. Reduces recoil.
Tier 3: Increases damage, blast radius, pushback, and max ammo. Reduces recoil. This weapon fires a literal cannonball that will explode on enemies. It can also break weaker walls, which will allow you to roam areas that are otherwise out of reach. D-Namite N/A This is a throwable TNT that acts like a grenade. It will explode upon impact and deal a massive amount of damage. It can also be used to break down walls and destroy shields. Hellrazor N/A This weapon is a demonized version of a chainsaw that clears a room in seconds. Unfortunately, there are no B.A.N.G. upgrades available for it.