"Gameplay demo 1" (tentative) is a cutscene in Resident Evil Outbreak.
The scene will only trigger if the player waits approximately 30 seconds on the title menu. The demo shows various weapons players are able to use throughout the game.
The demo appears to be using recorded footage and not scripted gameplay.
After the demo is finished playing, the game will return to the title menu. After approximately 30 more seconds, Gameplay demo 2 will play and then the game will restart. This continues until the player selects an option from the title menu.