Rollout is learned by 74 species by level, 64 by machine, 138 by tutor and 31 by egg

Effect, in PokéAPI's words

“Power doubles every turn this move is used in succession after the first, resetting after five turns.”

Who learns it

184 species in all, 8 of 20 games shown

Scarlet and Violet: 54 species

Species	Method	Level
Marill	Level up	1
Azumarill	Level up	1
Chesnaught	Level up	1
Komala	Level up	1
Copperajah	Level up	1
Bramblin	Level up	1
Brambleghast	Level up	1
Great Tusk	Level up	1
Iron Treads	Level up	1
Cufant	Level up	5
Dunsparce	Level up	8
Chespin	Level up	8
Quilladin	Level up	8
Minior	Level up	8
Dudunsparce	Level up	8
Sandshrew	Level up	9
Sandslash	Level up	9
Geodude	Level up	10
Graveler	Level up	10
Phanpy	Level up	10
Donphan	Level up	10
Voltorb	Level up	11
Electrode	Level up	11
Rellor	Level up	11
Rabsca	Level up	11
Seedot	Level up	12
Nuzleaf	Level up	12
Magearna	Level up	12
Pineco	Level up	20
Forretress	Level up	20
Tepig	Level up	21
Pignite	Level up	23
Emboar	Level up	23
Cyndaquil	Level up	49
Quilava	Level up	57
Typhlosion	Level up	61
Igglybuff	Egg
Slugma	Egg
Magcargo	Egg
Shiftry	Egg
Nosepass	Egg
Numel	Egg
Snorunt	Egg
Pachirisu	Egg
Bonsly	Egg
Probopass	Egg
Foongus	Egg
Skiddo	Egg
Skwovet	Egg
Applin	Egg
Capsakid	Egg
Dipplin	Egg
Hydrapple	Egg
Pecharunt	Egg

Legends Arceus: 18 species

Species	Method	Level
Geodude	Level up	1
Graveler	Level up	1
Golem	Level up	1
Onix	Level up	1
Snorlax	Level up	1
Sudowoodo	Level up	1
Steelix	Level up	1
Spheal	Level up	1
Sealeo	Level up	1
Walrein	Level up	1
Bidoof	Level up	1
Bibarel	Level up	1
Bonsly	Level up	1
Munchlax	Level up	1
Cyndaquil	Level up	11
Quilava	Level up	11
Lickitung	Level up	34
Lickilicky	Level up	34

Brilliant Diamond and Shining Pearl: 42 species

Species	Method	Level
Omastar	Level up	1
Marill	Level up	1
Azumarill	Level up	1
Shiftry	Level up	1
Spheal	Level up, Egg	1
Sealeo	Level up	1
Walrein	Level up	1
Lickilicky	Level up	1
Omanyte	Level up	5
Shuckle	Level up	5
Miltank	Level up	5
Lickitung	Level up	6
Dunsparce	Level up	8
Sandshrew	Level up	9
Sandslash	Level up	9
Bidoof	Level up, Egg	9
Bibarel	Level up	9
Geodude	Level up	10
Graveler	Level up	10
Golem	Level up	10
Phanpy	Level up	10
Donphan	Level up	10
Voltorb	Level up	11
Electrode	Level up	11
Seedot	Level up	12
Nuzleaf	Level up	12
Pineco	Level up	23
Forretress	Level up	23
Cyndaquil	Level up	49
Quilava	Level up	57
Typhlosion	Level up	61
Onix	Egg
Igglybuff	Egg
Sudowoodo	Egg
Slugma	Egg
Nosepass	Egg
Wailmer	Egg
Numel	Egg
Snorunt	Egg
Pachirisu	Egg
Cherubi	Egg
Bonsly	Egg

Sword and Shield: 39 species

Species	Method	Level
Omastar	Level up	1
Marill	Level up	1
Azumarill	Level up	1
Shiftry	Level up	1
Spheal	Level up	1
Sealeo	Level up	1
Walrein	Level up	1
Lickilicky	Level up	1
Whirlipede	Level up	1
Scolipede	Level up	1
Copperajah	Level up	1
Venipede	Level up	4
Omanyte	Level up	5
Shuckle	Level up	5
Miltank	Level up	5
Cufant	Level up	5
Lickitung	Level up	6
Dunsparce	Level up	8
Sandshrew	Level up	9
Sandslash	Level up	9
Seedot	Level up	12
Nuzleaf	Level up	12
Magearna	Level up	12
Onix	Egg
Igglybuff	Egg
Sudowoodo	Egg
Wailmer	Egg
Snorunt	Egg
Cherubi	Egg
Bonsly	Egg
Tirtouga	Egg
Trubbish	Egg
Foongus	Egg
Bunnelby	Egg
Stufful	Egg
Wimpod	Egg
Skwovet	Egg
Applin	Egg
Sizzlipede	Egg

Ultra Sun and Ultra Moon: 67 species

Species	Method	Level
Shuckle	Level up	1
Wailord	Level up	1, 10
Venipede	Level up	1
Whirlipede	Level up	1
Scolipede	Level up	1
Darmanitan	Level up	1, 3
Carracosta	Level up	1, 5
Duosion	Level up	1, 7
Reuniclus	Level up	1, 7
Ferrothorn	Level up	1, 6
Chesnaught	Level up	1, 8
Komala	Level up	1
Dunsparce	Level up	3
Darumaka	Level up	3
Spheal	Level up, Egg	5
Sealeo	Level up	5
Tirtouga	Level up	5
Ferroseed	Level up	6
Sandshrew	Level up	7
Sandslash	Level up	7
Walrein	Level up	7
Solosis	Level up	7
Chespin	Level up, Egg	8
Quilladin	Level up	8
Minior	Level up	8
Bidoof	Level up, Egg	9
Bibarel	Level up	9
Golett	Level up	9
Golurk	Level up	9
Togedemaru	Level up	9
Geodude	Level up	10
Graveler	Level up	10
Marill	Level up	10
Azumarill	Level up	10
Phanpy	Level up	10
Donphan	Level up	10
Wailmer	Level up	10
Voltorb	Level up	11
Electrode	Level up	11
Omanyte	Level up	16
Omastar	Level up	16
Qwilfish	Level up	17
Miltank	Level up	19
Jigglypuff	Level up	20
Tepig	Level up	21
Pignite	Level up	23
Emboar	Level up	23
Lickitung	Level up	33
Lickilicky	Level up	33
Snorlax	Level up	36
Munchlax	Level up	36
Cyndaquil	Level up	49
Quilava	Level up	57
Typhlosion	Level up	61
Onix	Egg
Sudowoodo	Egg
Slugma	Egg
Nosepass	Egg
Numel	Egg
Snorunt	Egg
Pachirisu	Egg
Cherubi	Egg
Bonsly	Egg
Trubbish	Egg
Foongus	Egg
Bunnelby	Egg
Skiddo	Egg

Sun and Moon: 67 species

Species	Method	Level
Shuckle	Level up	1
Wailord	Level up	1, 10
Venipede	Level up	1
Whirlipede	Level up	1
Scolipede	Level up	1
Darmanitan	Level up	1, 3
Carracosta	Level up	1, 5
Duosion	Level up	1, 7
Reuniclus	Level up	1, 7
Ferrothorn	Level up	1, 6
Chesnaught	Level up	1, 8
Komala	Level up	1
Dunsparce	Level up	3
Darumaka	Level up	3
Spheal	Level up, Egg	5
Sealeo	Level up	5
Tirtouga	Level up	5
Ferroseed	Level up	6
Sandshrew	Level up	7
Sandslash	Level up	7
Walrein	Level up	7
Solosis	Level up	7
Chespin	Level up, Egg	8
Quilladin	Level up	8
Minior	Level up	8
Bidoof	Level up, Egg	9
Bibarel	Level up	9
Golett	Level up	9
Golurk	Level up	9
Togedemaru	Level up	9
Geodude	Level up	10
Graveler	Level up	10
Marill	Level up	10
Azumarill	Level up	10
Phanpy	Level up	10
Donphan	Level up	10
Wailmer	Level up	10
Voltorb	Level up	11
Electrode	Level up	11
Omanyte	Level up	16
Omastar	Level up	16
Qwilfish	Level up	17
Miltank	Level up	19
Jigglypuff	Level up	20
Tepig	Level up	21
Pignite	Level up	23
Emboar	Level up	23
Lickitung	Level up	33
Lickilicky	Level up	33
Snorlax	Level up	36
Munchlax	Level up	36
Cyndaquil	Level up	49
Quilava	Level up	57
Typhlosion	Level up	61
Onix	Egg
Sudowoodo	Egg
Slugma	Egg
Nosepass	Egg
Numel	Egg
Snorunt	Egg
Pachirisu	Egg
Cherubi	Egg
Bonsly	Egg
Trubbish	Egg
Foongus	Egg
Bunnelby	Egg
Skiddo	Egg

Omega Ruby and Alpha Sapphire: 64 species

Species	Method	Level
Shuckle	Level up	1
Wailord	Level up	1, 10
Venipede	Level up	1
Whirlipede	Level up	1
Scolipede	Level up	1
Darmanitan	Level up	1, 3
Carracosta	Level up	1, 5
Duosion	Level up	1, 7
Reuniclus	Level up	1, 7
Ferrothorn	Level up	1, 6
Darumaka	Level up	3
Dunsparce	Level up	4
Spheal	Level up, Egg	5
Sealeo	Level up	5
Tirtouga	Level up	5
Ferroseed	Level up	6
Sandshrew	Level up	7
Sandslash	Level up	7
Walrein	Level up	7
Solosis	Level up	7
Chespin	Level up, Egg	8
Quilladin	Level up	8
Chesnaught	Level up	8
Golett	Level up	9
Golurk	Level up	9
Geodude	Level up	10
Graveler	Level up	10
Marill	Level up	10
Azumarill	Level up	10
Phanpy	Level up	10
Donphan	Level up	10
Wailmer	Level up	10
Voltorb	Level up	11
Electrode	Level up	11
Bidoof	Level up, Egg	13
Bibarel	Level up	13
Omanyte	Level up	16
Omastar	Level up	16
Qwilfish	Level up	17
Miltank	Level up	19
Jigglypuff	Level up	21
Tepig	Level up	21
Pignite	Level up	23
Emboar	Level up	23
Lickitung	Level up	33
Lickilicky	Level up	33
Snorlax	Level up	36
Munchlax	Level up	36
Cyndaquil	Level up	49
Quilava	Level up	57
Typhlosion	Level up	61
Onix	Egg
Sudowoodo	Egg
Slugma	Egg
Nosepass	Egg
Numel	Egg
Snorunt	Egg
Pachirisu	Egg
Cherubi	Egg
Bonsly	Egg
Trubbish	Egg
Foongus	Egg
Bunnelby	Egg
Skiddo	Egg

X and Y: 62 species

Species	Method	Level
Shuckle	Level up	1
Wailord	Level up	1, 11
Venipede	Level up	1
Whirlipede	Level up	1
Scolipede	Level up	1
Darmanitan	Level up	1, 3
Carracosta	Level up	1, 5
Duosion	Level up	1, 7
Reuniclus	Level up	1, 7
Ferrothorn	Level up	1, 6
Darumaka	Level up	3
Dunsparce	Level up	4
Tirtouga	Level up	5
Ferroseed	Level up	6
Sandshrew	Level up	7
Sandslash	Level up	7
Solosis	Level up	7
Chespin	Level up, Egg	8
Quilladin	Level up	8
Chesnaught	Level up	8
Golett	Level up	9
Golurk	Level up	9
Marill	Level up	10
Azumarill	Level up	10
Geodude	Level up	11
Graveler	Level up	11
Wailmer	Level up	11
Bidoof	Level up, Egg	13
Bibarel	Level up	13
Voltorb	Level up	15
Electrode	Level up	15
Phanpy	Level up	15
Donphan	Level up	15
Omanyte	Level up	16
Omastar	Level up	16
Qwilfish	Level up	17
Miltank	Level up	19
Jigglypuff	Level up	21
Tepig	Level up	21
Pignite	Level up	23
Emboar	Level up	23
Lickitung	Level up	33
Lickilicky	Level up	33
Snorlax	Level up	36
Munchlax	Level up	36
Cyndaquil	Level up	49
Quilava	Level up	57
Typhlosion	Level up	61
Onix	Egg
Sudowoodo	Egg
Slugma	Egg
Nosepass	Egg
Numel	Egg
Snorunt	Egg
Spheal	Egg
Pachirisu	Egg
Cherubi	Egg
Bonsly	Egg
Trubbish	Egg
Foongus	Egg
Bunnelby	Egg
Skiddo	Egg