PokéIsaac Guide › Floors
PokéIsaac floors
Classic mode is 30 floors: five areas, then the same five again with new names and tougher enemies, until Armored Mewtwo on floor 30. Here is what each area throws at you and which Pokémon types to bring.
Floor by floor
| Floor | Area | Boss | Enemy health | Items unlocked |
|---|---|---|---|---|
| 1 | Viridian Forest |       | ×1.00 | Tier 1 |
| 2 | Mt. Moon |       | ×1.11 | |
| 3 | Pokémon Tower |      | ×1.25 | |
| 4 | Cinnabar Mansion |       | ×1.41 | Tier 2 |
| 5 | Cerulean Cave |  | ×1.59 | |
| 6 | Shadow Forest 2 | Any floor boss | ×1.80 | |
| 7 | Lunar Grotto 2 | Any floor boss | ×2.03 | |
| 8 | Cursed Tower 2 | Any floor boss | ×2.29 | |
| 9 | Ruined Mansion 2 | Any floor boss | ×2.57 | Tier 3 |
| 10 | Cerulean Abyss 2 |  Mega boss | ×2.87 | |
| 11 | Shadow Forest 3 | Any floor boss | ×3.20 | |
| 12 | Lunar Grotto 3 | Any floor boss | ×3.55 | |
| 13 | Cursed Tower 3 | Any floor boss | ×3.93 | |
| 14 | Ruined Mansion 3 | Any floor boss | ×4.33 | |
| 15 | Cerulean Abyss 3 |  | ×4.75 | Tier 4 |
| 16 | Shadow Forest 4 | Any floor boss | ×5.20 | |
| 17 | Lunar Grotto 4 | Any floor boss | ×5.67 | |
| 18 | Cursed Tower 4 | Any floor boss | ×6.17 | |
| 19 | Ruined Mansion 4 | Any floor boss | ×6.69 | |
| 20 | Cerulean Abyss 4 |  Mega boss | ×7.23 | |
| 21 | Shadow Forest 5 | Any floor boss | ×7.80 | |
| 22 | Lunar Grotto 5 | Any floor boss | ×8.39 | |
| 23 | Cursed Tower 5 | Any floor boss | ×9.01 | |
| 24 | Ruined Mansion 5 | Any floor boss | ×9.65 | |
| 25 | Cerulean Abyss 5 | | ×10.31 | |
| 26 | Shadow Forest 6 | Any floor boss | ×11.00 | |
| 27 | Lunar Grotto 6 | Any floor boss | ×11.71 | |
| 28 | Cursed Tower 6 | Any floor boss | ×12.45 | |
| 29 | Ruined Mansion 6 | Any floor boss | ×13.21 | |
| 30 | Cerulean Abyss 6 |  Armored Mewtwo | ×13.99 |
Enemies also hit harder: half a heart more from floor 11, a full heart more from floor 21. Bosses get ×2.5 health by floor 10, ×6 by 20 and ×12 by 30, then adjust to how strong your run is.
Viridian Forest
Enemy types: Bug 31 % · Poison 19 % · Grass 19 % · Normal 17 % · Flying 14 %
Best attacking types: Fire ×1.25 · Flying ×1.25 · Rock ×1.23 · Ice ×1.17. Takes least damage: Steel ×0.67 · Poison ×0.77 · Ghost ×0.78.
Bosses: Beedrill, Butterfree, Pinsir, Scyther, Venomoth, Vileplume.
Caterpie BugWanders aimlessly; get close and it comes for you. Health 8, contact ½ heart.
Weedle PoisonCircles you and charges when close. Health 8, contact ½ heart.
Rattata NormalCircles you and charges when close. Health 9, contact ½ heart.
Pidgey FlyingFlies erratically and shoots. Health 10, contact ½ heart.
Oddish GrassKeeps its distance, circles and leads its aim. Health 12, contact ½ heart.
Paras BugCircles you and charges when close. Health 14, contact ½ heart.
Spearow FlyingFlies erratically and shoots. Health 9, contact ½ heart.
Venonat PoisonKeeps its distance, circles and leads its aim. Health 14, contact ½ heart.
Ekans PoisonCharges at you in a straight line. Health 16, contact ½ heart.
Sentret NormalCircles you and charges when close. Health 10, contact ½ heart.
Hoothoot FlyingFlies erratically and shoots. Health 12, contact ½ heart.
Ledyba BugFlies erratically and shoots. Health 9, contact ½ heart.
Spinarak BugKeeps its distance, circles and leads its aim. Health 12, contact ½ heart.
Wurmple BugWanders aimlessly; get close and it comes for you. Health 8, contact ½ heart.
Seedot GrassCharges at you in a straight line. Health 14, contact ½ heart.
Bidoof NormalCircles you and charges when close. Health 14, contact ½ heart.
Budew GrassKeeps its distance, circles and leads its aim. Health 10, contact ½ heart.
Bellsprout GrassDoesn't move: shoots nonstop. Health 12, contact ½ heart.
Metapod BugWanders aimlessly; get close and it comes for you. Health 24, contact ½ heart.
Kakuna PoisonWanders aimlessly; get close and it comes for you. Health 22, contact ½ heart.
Shroomish GrassDoesn't move: shoots nonstop. Health 14, contact ½ heart.
Nincada BugHides underground and bursts out. Health 12, contact ½ heart.
Mt. Moon
Enemy types: Rock 27 % · Ground 27 % · Poison 9 % · Fairy 6 % · Water 6 % · Steel 6 % · Ice 6 % · Psychic 6 % · Fighting 3 % · Bug 3 %
Best attacking types: Water ×1.25 · Grass ×1.24 · Ground ×1.20 · Steel ×1.16. Takes least damage: Water ×0.94 · Ground ×0.94 · Steel ×0.94.
Bosses: Onix, Golem, Kabutops, Steelix, Aerodactyl, Tyranitar.
Zubat PoisonFlies erratically and shoots. Health 9, contact ½ heart.
Geodude RockCharges at you in a straight line. Health 26, contact ½ heart.
Diglett GroundHides underground and bursts out. Health 12, contact ½ heart.
Sandshrew GroundCharges at you in a straight line. Health 18, contact ½ heart.
Clefairy FairyKeeps its distance, circles and leads its aim. Health 18, contact ½ heart.
Kabuto RockCircles you and charges when close. Health 16, contact ½ heart.
Omanyte WaterKeeps its distance, circles and leads its aim. Health 16, contact ½ heart.
Aron SteelCharges at you in a straight line. Health 22, contact ½ heart.
Larvitar RockCircles you and charges when close. Health 20, contact ½ heart.
Phanpy GroundCharges at you in a straight line. Health 24, contact ½ heart.
Swinub IceCircles you and charges when close. Health 16, contact ½ heart.
Woobat PsychicFlies erratically and shoots. Health 10, contact ½ heart.
Machop FightingCircles you and charges when close. Health 22, contact 1 ♥.
Paras BugCircles you and charges when close. Health 14, contact ½ heart.
Graveler RockCharges at you in a straight line. Health 36, contact 1 ♥.
Rhyhorn GroundCharges at you in a straight line. Health 32, contact 1 ♥.
Nosepass RockDoesn't move: shoots nonstop. Health 26, contact ½ heart.
Roggenrola RockDoesn't move: shoots nonstop. Health 22, contact ½ heart.
Drilbur GroundHides underground and bursts out. Health 16, contact ½ heart.
Trapinch GroundHides underground and bursts out. Health 14, contact ½ heart.
Pokémon Tower
Enemy types: Ghost 59 % · Psychic 18 % · Dark 12 % · Ground 9 % · Poison 3 %
Best attacking types: Ghost ×1.34 · Dark ×1.34 · Fairy ×1.05 · Water ×1.04. Takes least damage: Dark ×0.71 · Normal ×0.81 · Bug ×0.97.
Bosses: Gengar, Marowak, Dusknoir, Chandelure, Spiritomb.
Gastly GhostPasses through walls and fades out at times. Health 14, contact ½ heart.
Haunter GhostPasses through walls and fades out at times. Health 24, contact ½ heart.
Drowzee PsychicKeeps its distance, circles and leads its aim. Health 20, contact ½ heart.
Cubone GroundKeeps its distance, circles and leads its aim. Health 20, contact ½ heart.
Misdreavus GhostFlies erratically and shoots. Health 16, contact ½ heart.
Duskull GhostPasses through walls and fades out at times. Health 18, contact ½ heart.
Shuppet GhostPasses through walls and fades out at times. Health 14, contact ½ heart.
Sableye DarkTeleports away from you and shoots. Health 24, contact ½ heart.
Litwick GhostFlies erratically and shoots. Health 14, contact ½ heart.
Yamask GhostPasses through walls and fades out at times. Health 18, contact ½ heart.
Murkrow DarkFlies erratically and shoots. Health 14, contact ½ heart.
Spoink PsychicCircles you and charges when close. Health 16, contact ½ heart.
Phantump GhostWanders aimlessly; get close and it comes for you. Health 22, contact ½ heart.
Zubat PoisonFlies erratically and shoots. Health 9, contact ½ heart.
Hypno PsychicKeeps its distance, circles and leads its aim. Health 30, contact ½ heart.
Banette GhostPasses through walls and fades out at times. Health 28, contact ½ heart.
Natu PsychicTeleports away from you and shoots. Health 16, contact ½ heart.
Golett GroundCircles you and charges when close. Health 34, contact 1 ♥.
Dusclops GhostKeeps its distance, circles and leads its aim. Health 34, contact ½ heart.
Mismagius GhostFlies erratically and shoots. Health 30, contact ½ heart.
Cinnabar Mansion
Enemy types: Fire 41 % · Poison 30 % · Electric 16 % · Normal 5 % · Dark 5 % · Fighting 3 %
Best attacking types: Ground ×1.43 · Water ×1.20 · Rock ×1.19 · Psychic ×1.14. Takes least damage: Rock ×0.76 · Dragon ×0.81 · Ground ×0.85.
Bosses: Muk, Weezing, Arcanine, Magmortar, Electivire, Houndoom.
Koffing PoisonFlies erratically and shoots. Health 18, contact ½ heart.
Grimer PoisonCircles you and charges when close. Health 28, contact ½ heart.
Growlithe FireCharges at you in a straight line. Health 22, contact ½ heart.
Magmar FireKeeps its distance, circles and leads its aim. Health 32, contact 1 ♥.
Ponyta FireCharges at you in a straight line. Health 22, contact ½ heart.
Vulpix FireKeeps its distance, circles and leads its aim. Health 18, contact ½ heart.
Slugma FireCircles you and charges when close. Health 24, contact ½ heart.
Houndour DarkCharges at you in a straight line. Health 22, contact ½ heart.
Magnemite ElectricDoesn't move: shoots nonstop. Health 16, contact ½ heart.
Numel FireCharges at you in a straight line. Health 26, contact ½ heart.
Croagunk PoisonCircles you and charges when close. Health 22, contact 1 ♥.
Stunky PoisonKeeps its distance, circles and leads its aim. Health 18, contact ½ heart.
Litleo FireCharges at you in a straight line. Health 22, contact ½ heart.
Trubbish PoisonCircles you and charges when close. Health 24, contact ½ heart.
Ditto NormalCopies your look and your shots. Health 20, contact ½ heart.
Machop FightingCircles you and charges when close. Health 22, contact 1 ♥.
Porygon NormalTeleports away from you and shoots. Health 24, contact ½ heart.
Electabuzz ElectricKeeps its distance, circles and leads its aim. Health 32, contact 1 ♥.
Electrode ElectricCircles you and charges when close. Health 18, contact ½ heart.
Torkoal FireDoesn't move: shoots nonstop. Health 30, contact ½ heart.
Rotom ElectricTeleports away from you and shoots. Health 24, contact ½ heart.
Elekid ElectricKeeps its distance, circles and leads its aim. Health 20, contact ½ heart.
Cerulean Cave
Enemy types: Poison 18 % · Fighting 12 % · Dragon 12 % · Ground 12 % · Psychic 9 % · Steel 9 % · Ghost 6 % · Fire 6 % · Water 6 % · Dark 6 % · Normal 3 %
Best attacking types: Ground ×1.17 · Psychic ×1.07 · Ice ×1.05 · Ghost ×1.05. Takes least damage: Flying ×0.92 · Water ×0.93 · Bug ×0.95.
Bosses: Mewtwo.
Golbat PoisonFlies erratically and shoots. Health 24, contact ½ heart.
Machoke FightingCircles you and charges when close. Health 42, contact 1 ♥.
Kadabra PsychicTeleports away from you and shoots. Health 26, contact ½ heart.
Haunter GhostPasses through walls and fades out at times. Health 24, contact ½ heart.
Arbok PoisonCharges at you in a straight line. Health 40, contact 1 ♥.
Dragonair DragonFlies erratically and shoots. Health 36, contact ½ heart.
Golduck WaterKeeps its distance, circles and leads its aim. Health 34, contact ½ heart.
Gligar GroundFlies erratically and shoots. Health 30, contact ½ heart.
Sneasel DarkCharges at you in a straight line. Health 30, contact 1 ♥.
Magmar FireKeeps its distance, circles and leads its aim. Health 32, contact 1 ♥.
Growlithe FireCharges at you in a straight line. Health 22, contact ½ heart.
Machamp FightingCircles you and charges when close. Health 55, contact 1 ♥.
Alakazam PsychicTeleports away from you and shoots. Health 38, contact ½ heart.
Rhydon GroundCharges at you in a straight line. Health 60, contact 1 ♥.
Lairon SteelCharges at you in a straight line. Health 55, contact 1 ♥.
Gabite DragonCharges at you in a straight line. Health 44, contact 1 ♥.
Skarmory SteelFlies erratically and shoots. Health 40, contact ½ heart.
Shelgon DragonWanders aimlessly; get close and it comes for you. Health 60, contact 1 ♥.
Metang SteelTeleports away from you and shoots. Health 44, contact ½ heart.
Lucario FightingKeeps its distance, circles and leads its aim. Health 46, contact 1 ♥.
Zangoose NormalCircles you and charges when close. Health 40, contact 1 ♥.
Seviper PoisonCharges at you in a straight line. Health 40, contact 1 ♥.
Hippopotas GroundHides underground and bursts out. Health 34, contact ½ heart.
Floors 6 to 29 reuse these five areas with new names (Shadow Forest, Lunar Grotto, Cursed Tower, Ruined Mansion, Cerulean Abyss) and their enemy mixes. After floor 30 you can keep going in endless mode: ×5 difficulty to floor 40, then +×5 every 10 floors, every floor with its own scenery.