Yes, the Dice and Limbo Originals games are provably fair.
Popular implementations of these games use a "provably fair" Random Number Generator (RNG) system. This system allows you to verify the cryptographic integrity of every single game round to ensure the result was generated fairly and was not rigged by the casino.
Important Distinction: "Fair" in this context means the randomness is auditable and transparent, not that it guarantees a profit. Due to the inherent House Edge, the long-term mathematical odds still favor the house over countless rounds.