Primitive Era

Infinite Challenge

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Infinite Challenge

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The Infinite Challenge Event in Primitive Era is a continuous list of recurring events that you will be able to to participate in every day. It consists of a new challenge every hour based around certain daily activities.

The hourly challenges are a good source of resources, rubies and other bonuses in the game and you should definitely be checking out what the challenges are whenever you are on to see if you can take advantage of them.

The hourly challenges last for only 1 hour at a time (well 55 minutes with 5 minutes of transition time in between each). Please check the Infinite Challenge Event Schedule for a full list of the challenges to complete.

Infinite Challenge

Types of Challenge

The challenges will involve one or more of the following activities:
Use speedups - you will get points for each minutes worth of a speed up that you use during the challenge time period. This may be any speed up or a specific type, eg building speedups.

Train troops - There will be points awarded for each single troop trained with more value given for higher level troops. As you level up and upgrade your training camps to access higher level troops you should find this easier to complete. Remember that the points are awarded when the training completes and you tap to collect the troops. You can time this to collect the troops when you need to get the points.

Increase building power - Points are awarded for each power level gained from upgrading buildings. Low level upgrades will only get you a very small power increase, while higher level upgrades can get you hundreds or thousands of power level points. These upgrades take a long time though so timing (or speed ups) are key. You can time several upgrades to finish at the same time. Points are awarded as soon as the upgrade finishes, however only if the game is running.

Increase research power - This is similar to the building upgrades above. But you can only research one item at a time.

Hero Development - Recruit Heroes, Gain items for hero upgrades or use items for hero upgrades.

Woolly Rhino - upgrade or acquire items for the woolly rhino statue.

Beast Development - Obtain beasts, upgrade beasts etc.


There are 3 tiers of reward from the infinite challenges. In all cases the quantity and quality of the rewards on offer will depend on your Chief's Hall level. The stronger you are the better the rewards and though the target level required to achieve them will also increase.

The first level will normally get you a small number of speedups and some gold or resources. The second tier will get you some rubies, a much larger number of speedups, a good amount of resource items and a hero fragment. The third tier will usually have a large amount of rubies, a lot of resources, gold and speedups and possibly additional rewards such as an advanced relocation, and cowry shells.

Tips for challenges

The type of challenge available change on each reset and can vary in theme by the day. Thursday for example is based around hero development. Keep an eye on the challenge schedule in game or check the list on our Infinite Challenge Event Schedule page to plan ahead.

Plan with your upgrades. As the events change frequently and can change in focus each time you may want to watch the upgrades that you are doing and plan to finish them during an appropriate event. For example if you are doing a long building upgrade and the current daily event will give you score for increasing building power then consider using speedups to get it finished during the event. The same goes for research and troop training. You can check the amount of power rating you will get from each upgrade finishing and multiply that by the points you will get to determine how many daily challenge points you will get for finishing. Don't waste all your speed ups though if you are not certain to get to the level you want.

Keep an eye on the timer. and the time outs. Similar to the above when you know that upgrades etc are finishing soon try not to let the finish when the timeout is happening between events. If your big research project or building upgrade finishes while the event is changing over you will lose the points.

The challenges do get easier as you level up. Mainly because the amount of troops you can train and the value of the upgrades you can do increases. So with a little planning you can reach at least the second tier rewards frequently. Hitting the second tier will help you build up Rubies.

The third tier rewards are going to be hard to reach for new players and will take planning, speed ups and possibly spending rubies to reach. If you save up speedups and plan ahead though you can get that level of reward from time to time without spending money.

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