No One Left Behind

No One Left Behind is a general Survivor Perk .

Perk descriptions may vary from in-game descriptions for reasons explained here.
Perks support Mouse-over functionality (desktop version only): hovering over the modifier words with your cursor will reveal the values behind them.
On mobile browsers, the values are displayed in small text after the modifier words. Desktop users experiencing issues with the mouse-over may temporarily switch to mobile view at the bottom of an Article page.

Icon	Tier I	Tier II	Tier III	Description
	4,000	5,000	6,000	It is inconceivable to leave someone behind. Once at least one Exit Gate has been opened, gain 50/75/100 % more Bloodpoints for actions in the Altruism Category and perform them 30/40/50 % quicker. The Auras of all other Survivors are revealed to you. "... yeah, no shit. But I believe we can outsmart and overthrow him if we work together. Don't be predictable and selfish!" — Clyde, The Lost Tapes

History

Version 1.0.0

Icon	Tier I	Tier II	Tier III	Description
	50 % 5 %	75 % 10 %	100 % 15 %	It is inconceivable to leave someone behind. Once the Exit Gates are powered, gain 50/75/100 % more Bloodpoints for actions in the Altruism Category and perform them 5/10/15 % quicker.

Version 1.0.2

Icon	Tier I	Tier II	Tier III	Description
	50 % 4 %	75 % 8 %	100 % 12 %	It is inconceivable to leave someone behind. Once the Exit Gates are powered, gain 50/75/100 % more Bloodpoints for actions in the Altruism Category and perform them 4/8/12 % quicker.

Version 3.4.0

Icon	Tier I	Tier II	Tier III	Description
	50 % 30 %	75 % 40 %	100 % 50 %	It is inconceivable to leave someone behind. Once at least one Exit Gate has been opened, gain 50/75/100 % more Bloodpoints for actions in the Altruism Category and perform them 30/40/50 % quicker. The Auras of all other Survivors are revealed to you.

Change Log

Patch 1.0.2

• Nerf: decreased the Altruistic Action speed bonuses to 4/8/12 %.

Patch 3.4.0

• Buff: increased the Altruistic Action speed bonuses to 30/40/50 %.
• Quality of Life: now reveals the Auras of all other remaining Survivors.
• Mechanics Change: now triggers only after at least one Gate has been opened, rather than the Gates just receiving power.

Trivia

• Altruistic Actions that benefit from the increased interaction speed of No One Left Behind are:
  • Rescuing other Survivors from a Hook .
  • Rescuing other Survivors from a Bear Trap .
  • Healing other Survivors.
• "Clyde" from the Lost Tapes is a reference to the Steam community moderator and the Russian community manager, who goes by the screen-name Clyde.