During the show proper, developers and publishers ran exhibition booths that allowed industry members, the press, retail representatives, and the public to try out the new games and talk with the creators.

Sony's CEO Shawn Layden stated in a February 2019 interview that with changes in retailer procurement, their own switch to fewer but more quality titles, and the rapid spread of news via the Internet that having a trade show as late as June was no longer helpful, and that Sony had to create its own Destination PlayStation experience in February as to secure retailer sales.

[10] Among games promoted during the presentation included The Outer Worlds, Bleeding Edge, Ori and the Will of the Wisps, Minecraft Dungeons.

Star Wars Jedi: Fallen Order, Blair Witch, Cyberpunk 2077, Spiritfarer, Battletoads, The Legend of Wright, Microsoft Flight Simulator, Age of Empires II: Definitive Edition, Wasteland 3, Psychonauts 2, Lego Star Wars: The Skywalker Saga, Dragon Ball Z: Kakarot, 12 Minutes, Way to the Woods, Gears 5, Dying Light 2, Forza Horizon 4: Lego Speed Champions, State of Decay 2: Heartland, Phantasy Star Online 2, Crossfire X, Tales of Arise, Borderlands 3, and Elden Ring.

[19] In planning for E3 2020, ESA president Stanley Pierre-Louis said that the unexpected Reeves moment was something they were inspired by and wanted to help set the potential for in E3 2020 and future expositions.

[22] They also revealed their Orion software, a middleware package that is aimed to help improve the speed and latency for playing games over a stream.

Devolver also announced Enter the Gungeon: House of the Gundead, a spin-off arcade light gun shooter game.

[28] Among games presented include Evil Genius 2, Vampire: The Masquerade – Bloodlines 2, Starmancer, Chivalry 2, Mosaic, Quantum Error, Midnight Ghost Hunt, Unexplored 2: A Wayfarer's Journey, Mutant Year Zero, Conan Unconquered, Moons of Madness, Conan: Chop-Chop, Last Oasis, Age of Wonders: Planetfall, Zombie Army 4, Remnant: From the Ashes, Griftlands, Planet Zoo, Battletoads, Sayonara Wild Hearts, Shenmue III, Songs of Conquest, Warhammer: Vermintide 2, Per Aspera, Ancestors: The Humankind Odyssey, Auto Chess, CrisTales, Valfaris, Borderlands 3, Maneater, Scavengers, Terraria, Firewall: Zero Hour, Telling Lies, Warframe, Dragon Age 4, Genesis Noir, El Hijo, and Baldur's Gate III.

Ubisoft announced its "UPlay Plus" subscription service to its catalog of games for PC users and later on Stadia, starting in September 2019.

Ultimate, Dragon Quest XI, Luigi's Mansion 3, The Dark Crystal: Age of Resistance Tactics, The Legend of Zelda: Link's Awakening, Trials of Mana, Collection of Mana, The Witcher 3: Wild Hunt, Fire Emblem: Three Houses, Resident Evil 5, Resident Evil 6, No More Heroes III, Contra: Rogue Corps, Contra Anniversary Collection, Daemon X Machina, Panzer Dragoon, Pokémon Sword and Shield, Astral Chain, Empire of Sin, Marvel Ultimate Alliance 3: The Black Order, Cadence of Hyrule, Mario & Sonic at the Olympic Games Tokyo 2020, Animal Crossing: New Horizons, and a sequel to The Legend of Zelda: Breath of the Wild.

[32] While Google did not attend E3 2019, they presented detailed information about their Stadia game streaming platform on June 6, 2019, just prior to the event.

[34] Among games highlighted during the presentation for the Stadia platform included Baldur's Gate III, Ghost Recon Breakpoint, Gylt, Get Packed, Tom Clancy's The Division 2, and Destiny 2.

EA did not have a media briefing and instead offered multiple livestreams on June 8, 2019, for its games, focusing on Star Wars Jedi: Fallen Order, Apex Legends, Battlefield V, FIFA 20, Madden NFL 20 and The Sims 4.

[41] Among featured games were: Budget Cuts 2: Mission Insolvency, Garden of the Sea, The Curious Tale of the Stolen Pets, Pistol Whip VR, Golem, Hotel RnR, I Expect You to Die: Seat of Power, Echo Arena, Arizona Sunshine, Hotdogs, Horseshoes & Hand Grenades, Angry Birds VR and Boneworks.

For the PlayStation Vita, their last physical games are Deadbolt, Guacamelee, Super Mutant Alien Assault, Pix the Cat, Revenant Dogma, Mutant Blobs Attack, Rocketbirds Hardboiled Chicken, Rocketbirds 2: Evolution, Atari Flashback Classics, Super Meat Boy, Damascus Gear Operation Osaka, Damascus Gear Operation Tokyo, and Metal Slug 3.

[48] Among games shown included: CastleStorm 2, Stronghold: Warlords, Lucifer Within Us, Funtime, Half Past Fate, Superliminal, and Undying.