Credit Caches have a chance to be awarded from Survival, Excavation, Void and Derelict Sabotage, Reactor Sabotage, Spy, Lua and Kuva Fortress Exterminate, completing some Invasion missions, and Neptune Disruption.
Caches are awarded in 
500 1,000, 1,500, 2,000, 2,500, 3,000, 4,000, and 5,000 amounts.
Caches are rewarded as a bonus i.e. separate from normal credit pickups and the credits awarded for completing the mission itself.
They are simply a bonus amount of credits, which are added to your credit total when you finish the mission.
Patch History[]
Update: The Silver Grove (2016-08-19)
- Added more Relic Rewards into Rotation A in replacement of some Credit Bundles and Mods.
Hotfix: Specters of the Rail 1.1 (2016-07-29)
- Buffed mission rewards for Mot (Level 40-45 Void Survival); it will now yield a richer mix of Axi Era(Tier 4) Relics and large Credit-bundle rewards similar to high-level Dark Sector missions.
Hotfix: Specters of the Rail 0.8 (2016-07-14)
- Fixed incorrect descriptions for the Credit Bundles.
Update 18.0 (2015-12-03)
- Adjusted rewards for Excavation and Survival missions to replace over-popular Mods with credit bundles.
Update 13.0 (2014-04-09)
- Removed Credits and all Resources (except Orokin Cell for now) from all Void Endless mission types reward pool (Survival/Defense).
Update 12.4 (2014-03-05)
- Orokin Derelict Defense has had all Credit Rewards removed from rotation with this Update. Review is ongoing for the current loot in the endless mission types.
Hotfix 12.0.2 (2014-02-06)
- Changes to Void Mission Rewards: Capture, Exterminate, and Mobile Defense missions no longer contain Resources/Cores as mission rewards, only Prime Parts, Forma, or a Key.
For Survival and Defense missions, staying at least1520 minutes/15 waves guarantees a Prime Part, Forma or a Key. Resources, Cores, or Credits are included in the cycling of mission rewards for Survival/Defense.
Hotfix 11.5.7 (2014-01-03)
- Changed Orokin Derelict Survival rewards:
- 1K Credit Caches replaced with 2.5K
- 1.5K Credit Caches replaced with 5K
- Fixed incorrect text on 5K credit caches (was only showing 4K) this was showing incorrectly for all void Survival missions.
Update 10.0 (2013-09-13)
- Introduced.
Last updated: Hotfix 21.3.2 (2017-08-04)