If you're looking for easy (most of the time :p) games to perfect, here are the ones I did ...

The way Steam counts these "perfect games" is a pita. Some have the "profile features limited" tag, others are removed from store, some are both, and Steam does not take them into account (or most of them, because it turns out some games removed from the store are still counted ...). Anyway, here's what I make up of all that.

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001 0rbitalis
002 6180 the moon
003 Absolute drift
004 Abzu
005 Afterfall Insanity extended edition
006 Arcade Moonlander
007 Atmasphere
008 Autocross madness
009 Bad sector HDD
010 Before I forget
011 Beyond blue
012 Beyond gravity
013 Blazerush
014 Bounce
015 Brain Booster
016 Cast n Chill
017 Cognition an Erica Reed thriller
018 Control
019 CrossCells
020 Cubway
021 Dark Fantasy : Jigsaw Puzzle
022 Darkness and Flame : born of fire
023 Dead or school
024 Deep space waifu
025 Deep space waifu : Fantasy
026 Deep space waifu : World
027 Delete
028 Delicious! Pretty girls mahjong solitaire
029 Detention
030 Dialing
031 Draw it!
032 Dustoff heli rescue
033 Dustoff heli rescue 2
034 Dustoff Z
035 Earn to die 2
036 Emporium
037 Etherborn
038 Evo Explores
039 Fairy Biography
040 Falling words
041 Feather
042 Feel-a-maze
043 The Fidelio incident
044 Firewatch
045 The first descendant
046 Flipped on
047 Forestation
048 The forgotten land
049 FORM
050 Game of thrones
051 Glass masquerade
052 Glass masquerade 2 : Illusions
053 Glass masquerade 3 : Honeylines
054 God of word
055 Golf Peaks
056 Hell Girls
057 Hellblade Senua's sacrifice
058 Her story
059 Hero of the kingdom
060 Hexcells
061 Hexcells Infinite
062 Hexcells plus
063 Home
064 Jewel Match Twilight Solitaire
065 A Juggler's tale
066 Koral
067 Letter Quest: Grimm's Journey
068 Life is strange
069 Life is strange : Before the storm
070 Life is strange 2
071 Light
072 LineWay
073 Linelight
074 LIT : Bend the light
075 Lowglow
076 Love n Dream
077 Lucifer within us
078 Lust for darkness
079 LYNE
080 Metal Gear Solid V Ground Zeroes
081 Mirror
082 Morphopolis
083 Mosaic Game of gods
084 Musclecar Online
085 Music Racer
086 Mystic pillars
087 Nephise
088 Northmark hour of the wolf
089 NSFW Solitaire
090 orbt xl
091 Out of sight
092 Outline
093 Perky little things
094 Phrase Shift
095 PixelJunk Shooter
096 Platform golf
097 Prelogate
098 Pretty girls panic!
099 Quantum Break
100 Ravenous devils
101 Re:Destiny
102 Remothered : Tormented fathers
103 Riff Racer
104 The Room
105 The Room two
106 The Room three
107 The Room four
108 Rusty Lake : Cube Collection
109 Rusty Lake : Roots
110 Rusty Lake : Paradise
111 Rusty Lake : Cube Escape Paradox
112 Rusty Lake : The White Door
113 Rusty Lake : Samsara Room
114 The shore
115 Sisyphus Reborn
116 Slash it
117 Slash it 2
118 Slice
119 Sound Shift
120 Sparkle 2 Evo
121 SquareCells
122 STASIS
123 Station to station
124 Strata
125 Superflight
126 Tactical Combat Department
127 Tenrow
128 That's Mahjong!
129 Tick Tock Bang Bang
130 Tormentum dark sorrow
131 Trombone Champ
132 The vanishing of Ethan Carter
133 VOI
134 The Walking dead
135 The walking dead season two
136 What remains of Edith Finch
137 What the golf
138 Wind peaks
139 Zup!
140 Zup! 2
141 Zup! 3
142 Zup! 4
143 Zup! Zero

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01 Bassline Sinker
02 Blastboard
03 Deja Vu Collector's Edition
04 Drifter King Online
05 Driftpunk racer (not available anymore)
06 Loathing Heart (also removed from store)
07 Retro drift
08 Ruya
09 Symmetric (also removed from store)
10 TREE
11 Vaporwave drift
12 War Mines : WW2
13 Warpzone Drifter
14 Warpzone Drifter 2
15 Yes, master !

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01 bOllO
02 DeepFear
03 Draw_Love
04 Golf Extreme
05 The Orion Suns