The Infested Nightmares Bonus Weekend was a special weekend occasion that took place from August 13, 2015, to August 17, 2015, featuring special Alert missions and other ingame limited-time bonuses.
Details[]
DOUBLE AFFINITY From August 13 at 2 p.m. EDT to August 17 at 2 p.m. EDT, earn Double Affinity during Missions. Rank up your Warframe and weapons!
50% OFF SALE Darvo has some dreamy sales to offer! Get half off select items in the Market from August 13 at 2 p.m. EDT until August 17 at 2 p.m. EDT.
HIGH-REWARD ALERTS Take on High-Reward Alerts between August 13 at 2 p.m. and August 17 at 2 p.m. EDT and earn some valuable Rewards!
ALERT 1 August 13 at 2 p.m. EDT until August 14 at 2 p.m. EDT Ishtar (Venus): Survive or DIE. Reward: 10,000 Credits, Orokin Catalyst Blueprint
ALERT 2 August 14 at 2 p.m. EDT until August 15 at 2 p.m. EDT Vallis (Mars): Survive or DIE. Reward: 10,000 Credits, Orokin Reactor Blueprint
ALERT 3 August 15 at 2 p.m. EDT until August 16 at 2 p.m. EDT Proteus (Neptune): Survive or DIE. Reward: 20,000 Credits, 
Gorgon Wraith
ALERT 4 August 16 at 2 p.m. EDT until August 17 at 2 p.m. EDT Thebe (Jupiter): Survive or DIE. Reward: 50,000 Credits, 25x R5 
Fusion Cores
Notes[]
- All missions take the form of Survival missions (hence "Survive or DIE"). These missions are coded to be Crossfire with Corpus versus Infested, but with drastically fewer Corpus.
- All Infested enemies deal pure
Toxin damage, bypassing player Shields entirely.