Fossil Fighters: Champions
In Fossil Fighters Champions, you can get all four parts(Normal and Dark Fossil Rocks) of vivosaurs: Lambeo (30DP Head, 10DP Others), Spinax (50DP Head, 30DP Others), Daspleto (75DP head, 50DP Others), and Spino (150DP Head, 125DP Others), as well as all four Silver Fossils (200DP each, Wondrous Fossil Rock) and the extemely rare Gold Fossil (2,500DP each, Miraculous Fossil Rock).
You can also buy Yellow Mask, Green Mask, Blue Mask, and Pink Mask, all 100DP each, and if you wear one of these masks you will only find fossils of the same color(Pink is Neutral, as it is mostly white. You receive Red Mask as a gift after one of the Cup matches). You can also trade DP for Battle Point packages which give Battle Points to every vivosaur in your active team.