(Approved by Stellar and DHR-107)
(Huge thanks to Colonel M and Its_A_Random for helping build the tier list, and to Aaron's Aron for helping out with some mechanics pre-release)
(Huge thanks to Colonel M and Its_A_Random for helping build the tier list, and to Aaron's Aron for helping out with some mechanics pre-release)
 
	 
	What is an in-game tier list?
In-game tier lists rank Pokémon on their usefulness and efficientness throughout an in-game playthrough (from the start of the game to the first viewing credits).
What are the tiers?
In this in-game tier list there will be 5 tiers. If there is need for new tiers, though, they will be created. The current tiers are:
S-Rank
A-Rank
B-Rank
C-Rank
D-Rank
E-Rank
Untested
Why is a Pokémon in a certain tier?
A Pokémon's rank is decided by these 6 factors:
Availability - How early is the Pokémon found? Does it require considerable backtracking or HM moves? The earlier you find a Pokémon, the better they are in this category. Pokémon that require considerable backtracking and/or HM moves are generally lower than other Pokémon.
Typing - What is the Pokémon's typing? How good is it in Omega Ruby and Alpha Sapphire? The better a Pokémon's typing for Omega Ruby and Alpha Sapphire, the higher the rank.
Stats - What are the Pokémon's stats? How good are they for efficient in-game runs? The better a Pokémon's stats for in-game runs, the higher they will be ranked. This is probably the most important category, as it can override the rest of the categories if the stats are good enough (e.g Groudon and Kyogre) but can also cripple Pokémon (e.g Luvdisc). Defensive Pokémon are generally ranked lower than offensive Pokémon, as they are less efficient.
Movepool - What moves does the Pokémon get? Pokémon with a wider range of useful moves are generally ranked higher than Pokémon with shallower movesets.
Major Battles - How does the Pokémon fare in major battles, such as Gym Leaders, fights against your rival and criminal team admins/leaders? The better a Pokémon does against these major fights, the higher they are ranked.
Other - Other aspects of a Pokémon. Examples are megas, primal reversions or abilities which can play a small role in a Pokémon's placement. Occasionally a random "other" thing solely dictates a Pokémon's rank (e.g Slakoth is bottom tier solely because of Truant. If it didn't have Truant, it would probably be high or top).
For further tiering guidance, please read post #324.
What Pokémon are being excluded from this tier list?
If a Pokémon is any of the below criteria, they will be excluded from this tier list:
- They come from an event
- They cannot be caught until post game
- They are not available for capture in Omega Ruby or Alpha Sapphire
Everything else will be ranked, though. Even the worst of the worst, fully-evolved-but-should-really-be-LC shitmons.
The Tier List Itself:
-S-
		 
	 
Abra (Alakazam)
		 
	
Latias (AS)
		 
	
Latios (OR)
		 
	
Magikarp
		 
	
Marill
		 
	
Mudkip
		 
	
Torchic
		 
	Abra (Alakazam)
 
	Latias (AS)
 
	Latios (OR)
 
	Magikarp
 
	Marill
 
	Mudkip
 
	Torchic
-A-
		 
	
Absol
		 
	
Carvanha
		 
	
Corphish
		 
	
Electrike
		 
	
Groudon
		 
	
Heracross
		 
	
Kyogre
		 
	
Magnemite
		 
	
Makuhita
		 
	
Mawile
		 
	
Meditite
		 
	
Numel
		 
	
Ralts (Gardevoir)
		 
	
Shroomish
		 
	
Treecko
		 
	
Wingull
		 
	
Zangoose
		 
	Absol
 
	Carvanha
 
	Corphish
 
	Electrike
 
	Groudon
 
	Heracross
 
	Kyogre
 
	Magnemite
 
	Makuhita
 
	Mawile
 
	Meditite
 
	Numel
 
	Ralts (Gardevoir)
 
	Shroomish
 
	Treecko
 
	Wingull
 
	Zangoose
-B-
		 
	
Abra (No Trade)
		 
	
Geodude (Golem)
		 
	
Lotad (AS)
		 
	
Machop (Machamp)
		 
	
Pikachu (Cosplay)
		 
	
Pinsir
		 
	
Psyduck
		 
	
Roselia
		 
	
Seedot (OR)
		 
	
Skarmory
		 
	
Spoink
		 
	
Staryu
		 
	
Surskit
		 
	
Tailow
		 
	
Tentacool
		 
	
Torkoal
		 
	
Trapinch
		 
	
Tropius
		 
	
Whismur
		 
	
Wurmple (Beautifly)
		 
	
Zubat
		 
	Abra (No Trade)
 
	Geodude (Golem)
 
	Lotad (AS)
 
	Machop (Machamp)
 
	Pikachu (Cosplay)
 
	Pinsir
 
	Psyduck
 
	Roselia
 
	Seedot (OR)
 
	Skarmory
 
	Spoink
 
	Staryu
 
	Surskit
 
	Tailow
 
	Tentacool
 
	Torkoal
 
	Trapinch
 
	Tropius
 
	Whismur
 
	Wurmple (Beautifly)
 
	Zubat
-C-
		 
	
Aron
		 
	
Baltoy
		 
	
Barboach
		 
	
Cacnea
		 
	
Chinchou
		 
	
Doduo
		 
	
Geodude (No trade)
		 
	
Girafarig
		 
	
Goldeen
		 
	
Gulpin
		 
	
Kecleon
		 
	
Koffing
		 
	
Machop (No Trade)
		 
	
Natu
		 
	
Nosepass
		 
	
Oddish (Bellossom)
		 
	
Oddish (Vileplume)
		 
	
Phanpy
		 
	
Pikachu (Other)
		 
	
Poochyena (Other)
		 
	
Rhyhorn
		 
	
Sandshrew
		 
	
Seviper
		 
	
Shuppet
		 
	
Slakoth
		 
	
Slugma
		 
	
Snorunt (Glalie)
		 
	
Spheal
		 
	
Swablu
		 
	
Voltorb
		 
	
Vulpix
		 
	
Wurmple (Dustox)
		 
	
Zigzagoon
		 
	Aron
 
	Baltoy
 
	Barboach
 
	Cacnea
 
	Chinchou
 
	Doduo
 
	Geodude (No trade)
 
	Girafarig
 
	Goldeen
 
	Gulpin
 
	Kecleon
 
	Koffing
 
	Machop (No Trade)
 
	Natu
 
	Nosepass
 
	Oddish (Bellossom)
 
	Oddish (Vileplume)
 
	Phanpy
 
	Pikachu (Other)
 
	Poochyena (Other)
 
	Rhyhorn
 
	Sandshrew
 
	Seviper
 
	Shuppet
 
	Slakoth
 
	Slugma
 
	Snorunt (Glalie)
 
	Spheal
 
	Swablu
 
	Voltorb
 
	Vulpix
 
	Wurmple (Dustox)
 
	Zigzagoon
-D-
		 
	
Anorith
		 
	
Bagon
		 
	
Castform
		 
	
Chimecho
		 
	
Clamperl (Gorebyss)
		 
	
Clamperl (Huntail)
		 
	
Duskull
		 
	
Feebas
		 
	
Grimer
		 
	
Horsea
		 
	
Illumise
		 
	
Jigglypuff
		 
	
Lileep
		 
	
Lunatone (AS)
		 
	
Minun
		 
	
Nincada (Ninjask)
		 
	
Nincada (Shedinja)
		 
	
Plusle
		 
	
Relicanth
		 
	
Sableye
		 
	
Solrock (OR)
		 
	
Volbeat
		 
	
Wailmer
		 
	Anorith
 
	Bagon
 
	Castform
 
	Chimecho
 
	Clamperl (Gorebyss)
 
	Clamperl (Huntail)
 
	Duskull
 
	Feebas
 
	Grimer
 
	Horsea
 
	Illumise
 
	Jigglypuff
 
	Lileep
 
	Lunatone (AS)
 
	Minun
 
	Nincada (Ninjask)
 
	Nincada (Shedinja)
 
	Plusle
 
	Relicanth
 
	Sableye
 
	Solrock (OR)
 
	Volbeat
 
	Wailmer
-E-
		 
	
Clamperl (No trade)
		 
	
Corsola
		 
	
Luvdisc
		 
	
Ralts (Gallade)
		 
	
Regice
		 
	
Regirock
		 
	
Registeel
		 
	
Skitty
		 
	
Snorunt (Froslass)
		 
	
Spinda
		 
	
Wobbuffet
		 
	Clamperl (No trade)
 
	Corsola
 
	Luvdisc
 
	Ralts (Gallade)
 
	Regice
 
	Regirock
 
	Registeel
 
	Skitty
 
	Snorunt (Froslass)
 
	Spinda
 
	Wobbuffet
When starting a new discussion over a Pokémon placement, please use this formatting (not necessary, though):
<B2/W2 Sprite of Pokémon> (all sprites can be found here: http://sprites.pokecheck.org/?gen=3&)
Availability:
Typing:
Stats:
Movepool:
Major Battles:
Other:
(These aren't the official writeups, it just gives some structure to your nominations).
And finally, a couple of final guidelines to follow:
- Unlike with Viabilitiy Rankings, we DO NOT base a Pokémon's ranking by comparing it with other Pokémon. Ralts (Gardevoir) is not Bottom Tier because Abra (Alakazam) does its job better -- in fact, Ralts (Gardevoir) is ranked in S-Rank with Abra (Alakazam)! Pokémon are ranked based off of their OWN merit, not how the shape up compared to the rest of the Pokémon.
- Try not to factor leaving Exp. Share on when nominating. This is because the increase in growth over time means you could easily out-level other opponents by at least 10 levels later in the game, and of course Pokémon are going to do a better job against something when they are that much higher. This causes a bias that means everything gets tiered higher, and I want a more accurate reflection on its performance. You could try to extrapolate though.
- Super Training and Pokémon Amie are inefficient, and will not be considered.
- We will assume that all Pokémon have a 100% encounter rate thanks to the new feature on the DexNav for now. As I play through the game I will make a spreadsheet of all trainers and their Pokémon, which will give us a clear picture of where this new mechanic will be handy.
- Battle items (X Attack, X Defense, etc.) ARE allowed and may be considered when tiering.
- DexNav Pokémon do not count. Egg moves, Hidden Abilities and unnaturally high levels are all ignored in this tier list. The exception to this rule is the forced Poochyena near the start of the game, as it is forced, and the fang is not random. If you chose Mudkip, Poochyena will have Fire Fang, if you chose Treecko, Poochyena will have Thunder Fang, and if you chose Torchic, Poochyena will have Ice Fang. This even takes the randomness out of this encounter.
- Only Pokémon native to the Hoenn region will be considered.
Thank you, Lucchini, for creating a compendium of useful info pertaining to ORAS here.
			
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