Taking place in a brand new water-heavy region, the new games offer three new starter Pokémon - Browt, Pombon and Gecqua.
Nintendo will showcase about 80 minutes of hands-on gameplay for both titles before their launch next month on the Switch 2.
However, it currently has no plans to offer the original titles or any classic Pokémon games for Nintendo Switch Online subscribers.
No details have been revealed about what kinds of games we will see at the showcase, but Pokémon Pokopia is a strong contender.
Retailing for $19.99 each, the releases will feature language-specific versions and no options to change them, just like the originals.
Game Freak's latest project brings Soulslike action to a stunning world, which tests your skills and pushes your reflexes to the limit.
While it ultimately depends on how players experience the title, Takuto Edagawa promises "more things to experience after the end roll."
Kota Furushima also discussed how players can mitigate some of the trickier parts of the game with different play styles.
Game director Kito Furushima also revealed that the game's concept came about through an internal studio contest to develop a new IP.
In a statement, Kota Furushima said that this focus also means that Game Freak has to work on visuals and performance optimizations.
With plants being the main motif of the game, players will be able to use plant-based powers against parasite-infected enemies.
Shinobi602, who hinted at a "secret" fourth game, noted that they weren't excited for it because it wasn't their kind of game.
Both of Playground Games' titles will receive new gameplay reveals and deep dives into everything that makes them special.
The Mega Dimension DLC will also introduce the concept of Z Mega Evolutions, which while stronger, also use up Mega Energy faster.
The electric type Pokémon's Mega Evolution has been described as holding electric energy equivalent to ten bolts of lightning.
Nintendo released a new video explaining the Game-Key Card system that makes use of a Pokémon Pokopia cartridge for its demonstration.
Traverse Hyperspace Lumiose City, get bullied by overpowered Pokémon and bake doughnuts to gain a fighting chance in the upcoming DLC.
USPTO director John A. Squires says "substantial new questions of patentability have arisen" that warrant re-examination.
Both of the bugs addressed in the upcoming update can end up being progression-blocking, since side mission rewards get bugged.
Game Freak's latest had a strong debut in the region, both in physical units sold and overall dollar sales, according to Circana.
