Downhill Smash has an added incentive in the form of missions which have certain conditions that need to be met in order to earn the reward they offer, which will usually include gems. This Gems and Missions guide will tell you everything you need to know about them.
Gems in Downhill Smash can be used to purchase different things in the game which will help you, these include upgrades and revives. Gems can also be used to fulfil the needed sum when you do not have enough gold. There are three different ways in which you can obtain Gems, these are from the Chest, Missions, or in-game shop.
Downhill Smash features missions which you can choose to complete in order to earn the reward they offer. These missions have a special set of conditions that must be fulfilled to complete them successfully, Once you finish a mission you simply have to press the 'Collect' button to collect the corresponding reward. You will also be given a new mission of the same nature but of a higher caliber. As you play Downhill Smash, you will find yourself completing missions naturally, so it is recommended that you check the list of missions now and then and focus on the ones that you are close to finishing in order to collect the reward they offer. Don't worry about missions too much, as you will be able to earn a decent amount of Gems by completing parts of the stages in the game.
Take a look at our Beginner TIps and Tricks to get help in Downhill Smash.