Come On Everybody! is an upgrade in the Primary Monkey Knowledge Tree, first introduced in Version 15.0. Unlocking this Monkey Knowledge Point will grant different effects to Primary Monkeys depending on whether specific conditions are met. If all Primary Monkeys have upgrades below tier 3, then they will gain an additional 5% attack speed boost. If they are all tier 3 or 4, then all upgrades will cost 5% less. It requires 10 Points to unlock and additionally requires a one-off purchase of 1000.
Tips & Strategies
This Monkey Knowledge can prove difficult to use in most situations since either buff will only work if ALL Primary Monkeys are matching the required condition. This also means that upgrading any Primary Monkey to its tier 5 upgrade will eliminate both buff effects completely. There are, however, a few tricks you can use to optimize this Monkey Knowledge's usability:
Monkey Villages are this Monkey Knowledge's best friend, especially those upgraded along the top path which can further enhance Primary towers. It may also be wise to choose the X-0-2 discount crosspath so that the tier 3 upgrades cost less when phasing into the discount benefit of the Knowledge.
The Primary Monkey that benefits the most from the low tier speed boost is the Ice Monkey. Both the 1-1-0 and 0-1-2 crosspaths are useful, low tier towers that benefit from the increased speed.
Glue Gunners benefit the most from the discount buff, especially since you are likely to only ever have the one Glue Gunner on the field at a time.
One very effective strategy is to use Bomb Shooter spam in conjunction with Striker Jones. As Striker can increase the power of all Bomb Shooters - more so those nearby - this pairs well with the Monkey Knowledge in both its speed upgrade and discount benefits.
The most expensive upgrade that can become discounted by the discount portion of the MK is MOAB Domination, at $60,000 on Medium; using the MK with the right conditions, the player will save around $3000 for the upgrade alone.