1. Follow HaDe Games on Steam!   | https://store.steampowered.com/publisher/HaDeGames
2. Join Combat Force on Steam!   | https://steamcommunity.com/groups/combat_force   | ID: 35954512
3. Join HaDe Giveaways on Steam! | https://steamcommunity.com/groups/hadegiveaways  | ID: 32624782
4. Join HaDe Games on Steam!     | https://steamcommunity.com/groups/hadegames	    | ID: 35475554
5. Join vLoot.io on Steam! 		 | https://steamcommunity.com/groups/vloot	        | ID: 33226131
6. Join Core Giveaways on Steam! | https://steamcommunity.com/groups/CoreGiveaways  | ID: 34228359
7. Join Man Racon's Raffles!	 | https://steamcommunity.com/groups/ManRaffles	    | ID: 10022812
8. Join WeLearnToPlay on Steam!  | https://steamcommunity.com/groups/WeLearnToPlay7 | ID: 30466260
9. Join The Freighttrade CSGO Trading Server | https://discord.gg/MNYJynP
10. Visit vloot.io for daily giveaways! 	 | http://bit.ly/2s1zHkS

My bonus charity task:
Plant trees for FREE now! | http://bitly.com/2nMSpe3

My additional 8 tasks for the 200€ which were missing (last one being charity/non profit just to fight scammers on Steam and protect/educate users)
1. Follow @Gaming5Giveaway on Twitter!                 | https://twitter.com/Gaming5Giveaway
2. Add "Combat Force" to your wishlist on Steam!       | https://store.steampowered.com/app/1172430/Combat_Force/
3. Join Pokémon Sword on Steam! 	                   | https://steamcommunity.com/groups/pokemonsword	         | ID: 36192814
4. Join Pokémon Shield on Steam!	                   | https://steamcommunity.com/groups/pokemonshield	     | ID: 36192816
5. Join Gaming & Esport on Steam!	                   | https://steamcommunity.com/groups/Gamingandesport	     | ID: 36292182
6. Join Half-Life: Alyx Squad on Steam!                | https://steamcommunity.com/groups/hlalyxsquad		  	 | ID: 36318405
7. Sign in to open a FREE CS:GO CASE (use code play50) | https://csgoempire.com/r/play50
8. Join ScammerProtection!			                   | https://steamcommunity.com/groups/scammerprotection     | ID: 33877735

Additional 50€ customers (paid you their 50€ via gift cards each):
1. Follow @FREIGHTTRAINeu on Twitter  | https://twitter.com/FREIGHTTRAINeu
2. Follow @CsDealsOfficial on Twitter | https://twitter.com/CsDealsOfficial
3. Join CS.DEALS on Steam 		 	  | https://steamcommunity.com/groups/CsDealsOfficial | ID: 27796575
4. Join ^said & friends on Steam 	  | https://steamcommunity.com/groups/saidandfriends  | ID: 36192815
5. Join Skinbay on Steam 	 		  | https://steamcommunity.com/groups/skinbay         | ID: 32735857
6. Follow Skinbay on Twitter 		  | https://twitter.com/Skinbay_com
7. Follow Idle-Empire on Twitter	  | https://twitter.com/CSGOIdleEmpire
8. Join SeRyNyTy on Steam			  | https://steamcommunity.com/groups/SeRyNyTy 	      | ID: 28096230
9. Join N3onCommunity on Steam		  | https://steamcommunity.com/groups/N3onCommunity   | ID: 32975459