Gloom - Generation 1 learnset

Gloom artwork by Ken Sugimori

Below are all the moves that Gloom can learn in Generation 1, which consists of:

Pokémon Red
Pokémon Blue
Pokémon Yellow

Note: The move categories shown here are based on the move's type, as was the mechanic in Generations 1-3. The moves' detail pages may show a different category for Generation 4+.

In other generations
1
2
3
4
5
6

Red/Blue Yellow

Moves learnt by level up

Gloom learns the following moves in Pokémon Red & Blue at the levels specified.

Lv.	Move	Type	Power	Acc.
1	Absorb	Grass	20	100
1	Poison Powder	Poison	—	75
1	Stun Spore	Grass	—	75
15	Poison Powder	Poison	—	75
17	Stun Spore	Grass	—	75
19	Sleep Powder	Grass	—	75
28	Acid	Poison	40	100
38	Petal Dance	Grass	120	100
52	Solar Beam	Grass	120	100

Moves learnt by HM

Gloom is compatible with these Hidden Machines in Pokémon Red & Blue:

HM	Move	Type	Cat.	Power	Acc.
1	Cut	Normal		50	95

Moves learnt by TM

Gloom is compatible with these Technical Machines in Pokémon Red & Blue:

TM	Move	Type	Power	Acc.
3	Swords Dance	Normal	—	—
6	Toxic	Poison	—	90
9	Take Down	Normal	90	85
10	Double-Edge	Normal	120	100
20	Rage	Normal	20	100
21	Mega Drain	Grass	40	100
22	Solar Beam	Grass	120	100
31	Mimic	Normal	—	—
32	Double Team	Normal	—	—
33	Reflect	Psychic	—	—
34	Bide	Normal	—	—
44	Rest	Psychic	—	—
50	Substitute	Normal	—	—

Moves learnt by level up

Gloom learns the following moves in Pokémon Yellow at the levels specified.

Lv.	Move	Type	Power	Acc.
1	Absorb	Grass	20	100
1	Poison Powder	Poison	—	75
1	Stun Spore	Grass	—	75
15	Poison Powder	Poison	—	75
17	Stun Spore	Grass	—	75
19	Sleep Powder	Grass	—	75
28	Acid	Poison	40	100
38	Petal Dance	Grass	120	100
52	Solar Beam	Grass	120	100

Moves learnt by HM

Gloom is compatible with these Hidden Machines in Pokémon Yellow:

HM	Move	Type	Cat.	Power	Acc.
1	Cut	Normal		50	95

Moves learnt by TM

Gloom is compatible with these Technical Machines in Pokémon Yellow:

TM	Move	Type	Power	Acc.
3	Swords Dance	Normal	—	—
6	Toxic	Poison	—	90
9	Take Down	Normal	90	85
10	Double-Edge	Normal	120	100
20	Rage	Normal	20	100
21	Mega Drain	Grass	40	100
22	Solar Beam	Grass	120	100
31	Mimic	Normal	—	—
32	Double Team	Normal	—	—
33	Reflect	Psychic	—	—
34	Bide	Normal	—	—
44	Rest	Psychic	—	—
50	Substitute	Normal	—	—