I usually give their Mystery bundles a punt and end up with a tonne of duplicates for the filler titles. Not bad at all usually; I rarely feel like I don't add something to play.
tldr: I like fanatical mystery bundles.
Spare Steam Keys
Pumped BMX Pro: W9NJZ-RD928-CGNMD
Narcos: Rise of the Cartel: 2LJW3-NN6MG-V3DN0
Anomaly 2: ZLIR3-ERJ4F-RY4TA
Amerzone: The Explorer's Legacy WQRYX-QQT32-MVEC4 V63B7-TKJBH-36Y93
Autonauts: 7GCPE-5EKEX-EML0A Z4A7C-MDAWH-CI5H4
Autonauts vs Piratebots: 9X026-MJ7MQ-XCPLF
12 is better than 6 AJDQC-VM07I-VF48X
Hellbound ZIFHM-CZC0H-0G6VC
Curse: The eye of isis Z0F5V-TXFXF-MLXLC E0DPL-49GL6-A645P
Agatha Christie - The ABC Murders: K2R60-GJV0P-JWZY7
Tokyo Xanadu eX+: XEXEA-FR3WD-2XWF8
Pixel Heroes: Byte & Magic: 3CWTI-99VZ9-A80N5 D9YD9-EEKV7-8HLKL
Syberia: RR954-RGFZR-76QCK
Youtuber's Life: T7EXY-A6EZG-760BM
Voyage: Journey to the Moon QM780-ERCN2-BMKQ3
Still Life: KJAX7-NKZML-YPZD8
Survivalist: DTH36-L6YX5-5YFK8 9RKLT-CVT27-8668Q
Garfield Kart: Q40CI-DWWFX-RYW7G EDAYQ-WL4Q3-LBWQ5
Wolfenstein 3d: 7CQFM-QMF5G-DV26N
Golden Light: K3ZAC-RGN2R-BJC7D
Breathedge: ZJLZI-I2JYV-AIXZX
Quake 2: AI0NK-P7IZV-XR3Q0 TFF4W-0NNK7-7E5JL
Quake Live: J93A6-5NM95-ZP0A3
Iron Fisticle: RMMAP-NMCCP-R60I2
Deadly 30: G507G-7E8X4-HLM0E
Doom: 33QTR-2QMJ0-DFVLL
Doom 64: VKZX3-3W8BG-IQ90P KWKHE-DZDD5-23ALM
Doom 3: T5IJ4-M4MDA-PHEQD
Rebel Galaxy: CHY39-BEFT3-H0XNG
Rebel Galaxy Outlaws: 33EDG-0EALR-Y6ZG2
Out of Space: BX45K-ZN748-BN98M
Smoke and Sacrifice: 32068-VBVEV-0IWVP
Outbuddies DX: RPWLC-D5XVF-IPF2C 48F5A-ZMW0X-X4EK5
Yesterday Origins: 5NT8B-Y342K-Q7MZ4 ZJTGK-XM3T8-6Y30H
Garfield Kart: B6R78-QBL7F-M5EJA 96CZ2-DCCXL-3PFFV
Biped: WBJKZ-7GCQV-KFTEF
Mini Thief: V0DGR-MJM2Z-BBZJ5
Double Cross: 4CBWM-P5BR9-9JRA5
The Ambassador: Fractured Timelines XD4CF-8K8N5-Z9F0F
Youtuber's Life: 89FJQ-P2J2Z-VWEDR
Space Crew Legendary Edition: H38J9-NN7G3-G89EJ
Desolate: NMIDH-VB3BJ-NP024 LPK8Q-29P6L-MPII9
Xpand Rally: RZNJT-5XMEE-DDW9P
Eternal Edge+: 8HP87-5QGN7-LY9EW 6RGCH-MYR5Y-8K57G
Call of Juarez: TATWY-JH5CC-ZV63C
Hermes: War of the Gods: TIJR8-EV3XZ-XHVQJ
Train Valley 2: TBDML-2NNZ2-J5P2I
God's Trigger: DFMHJ-TBW8Z-RVXD3
Garbage: I53XH-4TMNC-YPQK9
Crumble: 97TEM-BAD0C-8L2PB
Klocki: XC9R8-XN6ZK-THKWI