Games (I know) that have functional invisibility are:
1. Titanfall 2
2. Planetside 2
3. Destiny 2
4. Destiny 1
5. ESO?
6. StarCraft 2 (Nexus wars) (or Parasite)
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If youre talented enough in tf2 you can see people if they popped theyre cloak. Its hard but I do it often enough its easier though if theyre right in your face. Thats why I run grapple or stim because who needs invisibility when I can run away instantly or get in your face instantly.