Since Season 3 we've had promo images in the style of game cartridges based on the episode artwork and invoking the games covered that episode. Since a lot of that has involved figuring out how to find something similar to a font used for a game, I'm putting the cartridge artwork here, as well as the games covered and the fonts being used. Routinely used fonts are Super Mario Bros. NES for the guests on the left and Viner Hand ITC for the subtitles at the bottom.

CartridgeGamesFonts
Zombies Ate My Neighbors Episode CartridgeZombies Ate My Neighbors and Ghoul PatrolFeast of Flesh BB
Gunstar Heroes and Sin and Punishment Episode CoverGunstar Heroes and Sin and PunishmentNiseGunstarHeroes
Season 2 Finale

"30-GAME-PAK" - Liberation Serif Bold

"16th bit retro-spective" - Super Mario Bros. NES

The Legend of Zelda: Link's Awakening Episode CoverThe Legend of Zelda: Link's AwakeningHylia Serif Beta
Mario Party Episode CoverMario PartyMario Party Hudson
Pilotwings and Pilotwings 64 Episode CartridgePilotwings and Pilotwings 64Bespoke Serif Ultra-Bold
Metroid and Metroid II Episode CartridgeMetroid and Metroid II: Return of SamusMetroid II: Return of Samus
Phantasy Star IV Episode CartridgePhantasy Star IVDark Crystal Script, Regular
Kid Icarus Episode CartridgeKid IcarusSwiss 721 Heavy