The model
Rewarded video gives a player an optional in-game benefit after choosing to watch an advertisement. Roblox expanded this format with Google advertising support, giving creators another revenue path that does not require every participating player to spend Robux directly.
Where it can work
The reward should solve a small, understandable need without making normal play intentionally frustrating. Examples might include one additional attempt, a temporary boost, a reroll, or a small amount of ordinary currency. The player should know the reward before opting in, and declining should return them to the game without repeated pressure.
Where it goes wrong
If the game creates artificial inconvenience and sells relief through an ad, short-term revenue can damage trust and retention. Frequent prompts also interrupt flow, particularly during the first session. Younger audiences make clarity and responsible frequency controls even more important.
How to evaluate it
Compare sessions with and without an accepted ad. Measure opt-in rate, completion rate, session length, next-day return, and whether ad viewers later purchase or leave. Segment by placement. An ad after a failed run may behave very differently from one placed in the lobby.
A good rewarded-ad design should leave the player feeling that they made a fair exchange. It should not be required to enjoy the core loop.
Discussion
Which reward feels fair enough to be useful without weakening the balance of your game?
Read the official Roblox announcement
#1
Original analysis with links to official Roblox sources.