A collection of guides and wiki pages on various side quests, hidden extras, secrets, and minigames from Omega Ruby & Alpha Sapphire.
https://oraswiki.com/extras-side-quests/lottery-corner/
Lilycove Lottery Corner
https://oraswiki.com/extras-side-quests/mauville-food-court/
Mauville Food Court
https://oraswiki.com/extras-side-quests/new-mauville/
New Mauville Side-Quest
https://oraswiki.com/extras-side-quests/trick-house/
Trick House Puzzles