Here are some examples of on-chain gambling games:

    SatoshiDice - One of the first on-chain gambling games, SatoshiDice was a simple dice game where players bet on the outcome of a roll. It was built on the Bitcoin blockchain.

    BitKong - A game inspired by Donkey Kong, BitKong is a simple on-chain gambling game where players try to climb a tower by correctly guessing which direction to go next.

    Bustabit - A popular on-chain gambling game where players bet on a multiplier that increases with each bet. If the player cashes out before the multiplier crashes, they win their bet multiplied by the current multiplier.

    Bitvest - An on-chain gambling site that offers a variety of games, including Plinko, Dice, and Bit Spin.

    Chain-Bet - A gambling game built on the Litecoin blockchain where players guess the last digit of a block hash and bet on it.

    BitRun - An on-chain gambling game that lets players bet on the outcome of a virtual horse race.

    LuckyBit - A simple on-chain gambling game where players bet on the outcome of a coin toss.

Note that the legality of on-chain gambling games may vary depending on the jurisdiction. It's important to research and understand the laws and regulations in your area before participating in any online gambling activities.