Nuclear Throne Wiki
Nuclear Throne Wiki

Frog is a secret character playable by starting the game with a Golden Frog Pistol.  He is based on the Ballguy enemies and shares some of their attributes, such as constant movement which makes them harder to control. On the upside, Frog's toxic immunity and gas spreading ability can help him better control his surroundings.


Playing the game with a character that has the Golden Frog Pistol set as their starting weapon will replace them with Frog. Frog will then start with the Golden Frog Pistol which fires 3 Scorpion/Ballguy projectiles that deal 2 damage each.  While Daily Runs normally don't allow starting with Golden Weapons, Frog will still start with the Golden Frog Pistol as its default starting weapon.
Unlike every other character in the game, Frog has to move constantly. Tapping any movement key will cause Frog to turn in that direction and walk straight, bouncing off any walls it collides with. The only way to stop his movement is to use Frog's special ability, which forces him to stand still while he charges up his attack.
As Frog is a Ballguy, he is immune to toxic gas clouds and explodes into 20 green projectiles when killed.


Golden Frog Guy.gif
Frog will stop moving for as long as you hold the button, then release a bunch of toxic clouds based on how long you've held it for. A single toxic cloud deals 3 damage on contact with an enemy and after that disperses. Toxic clouds don't deal damage to destructible objects.

Throne Butt[]

Frog's Throne Butt causes all toxic gas to spread further and faster.

Ultra Mutations[]

Frog A.png


Causes rads dropped by enemies and Radiation Canisters to spawn toxic gas. Each basic Rad has a 1/3 chance to create 1 toxic gas cloud, and Radiation Chunks are guaranteed to create 4 toxic clouds.
Frog B.png


Frog continuously spreads toxic gas as he moves.

This mainly affects Frog's active ability, which allows Frog to emit a huge amount of toxic gas while charging up a noxious fart.


Frog's Ultra Mutations allow it to be surprisingly versatile. Both of the allowed selections give Frog the ability to play in a vastly different way. Choosing the Distance mutation favors a long-distance playing style, using rads to deal bonus damage as you chip away at enemies from afar. A bonus to this playstyle is that your inability to stop moving isn't as terrifying, due to a lower chance of you accidentally taking contact damage from running headfirst into an enemy.
Frog's Ultra B, Intimacy, obviously favors a close-range play style, relying on gas clouds and reckless abandon to blast through hordes of enemies. A bonus to this playstyle is, with Intimacy's second effect of constantly spewing gas with the Active instead of forcing you to stop and charge it, using your Active offensively becomes much more viable. Keep in mind, however, that using a melee weapon will destroy your own toxic gas, so it's recommended you use close-range weapons, such as Shells, instead, as to deal the most damage possible with your gas.
Useful mutations:
  • Throne Butt - Makes the toxic clouds spread faster.
  • Gamma Guts - Helps pad against the downside of constantly moving.
Mutations to avoid:
  • Hammerhead - Doesn't work by pushing into a wall as Frog bounces off of them, instead nearby walls are broken around Frog when the active is used.  Hammerhead is less valuable as it's usually used for a quick path away from hazards, while Frog makes its usage much slower.

Unlock Method[]

If you are holding a Golden Weapon in your primary or secondary slot when Mom dies, she will drop the Frog Pistol.  Storing this weapon in a Proto Chest and opening a different Proto Chest will turn the weapon into a Golden Frog Pistol; like any golden weapon you can take this through a portal to save it to your character.
Starting a new run with the Golden Frog Pistol selected will let you play as Frog.


  • Frog is a golden version of the Ballguy enemy and, like them, is immune to toxic gas and can't stop moving.
  • Frog likes to sing.
  • Frog was implemented secretly in update #87.
  • Frog's voice was added in update #93.
  • Frog is voiced by Jukio Kallio who did the soundtrack for Nuclear Throne. You can hear the same kind of voice sing in the Sewers' theme Groundwork of the Past.