Top Rated Steam Releases of 2021

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#	Name	%	Price	Rating	Release	Follows	Reviews	Peak
1.	Dyson Sphere Program		$19.99	96.04%	21 Jan	246,204	87,228	59,815
2.	Portal Reloaded		Free	93.85%	19 Apr	31,673	21,418	5,194
3.	OPUS: Echo of Starsong - Full Bloom Edition		$24.99	93.43%	01 Sep	28,183	8,979	567
4.	枝江往事		Free	93.22%	11 Jun	8,585	4,871	1,397
5.	I MAED A GAM3 W1TH Z0MB1ES 1N IT!!!1		Free	92.72%	11 Nov	738	1,721	41
6.	9-nine-:Episode 4		$19.99	92.52%	19 Mar	3,660	1,300	111
7.	Turing Complete		$19.99	92.51%	02 Oct	32,070	4,662	784
8.	Marvel's Guardians of the Galaxy		$59.99	92.16%	26 Oct	73,166	41,982	10,989
9.	Tales from the Borderlands	-25%	$14.99	91.91%	17 Feb	80,460	19,054	8,690
10.	Griftlands	-60%	$7.99	91.26%	01 Jun	56,578	14,177	7,693
11.	HUNTDOWN		$19.99	91.05%	12 May	15,793	3,925	337
12.	PARQUET		$16.99	90.75%	27 Aug	8,915	2,303	924
13.	OMFG: One Million Fatal Guns		Free	90.64%	05 Jan	1,888	2,367	231
14.	Crab Game		Free	90.32%	29 Oct	43,112	152,228	75,967
15.	Bright Memory: Infinite		$19.99	90.19%	12 Nov	98,753	39,143	22,076
16.	Deep Rock Galactic - Rival Tech Pack DLC	-70%	$2.39	89.70%	04 Nov	—	648	—
17.	Machinika: Museum	-85%	$1.19	89.62%	23 Mar	3,909	5,902	5,343
18.	Mass Effect™ Legendary Edition	-92%	$4.79	89.61%	14 May	128,678	59,742	59,817
19.	MECHANICA: A Ballad of the Rabbit and Mercury		$19.99	89.51%	17 Sep	6,852	858	138
20.	Subnautica: Below Zero		$29.99	89.09%	14 May	240,830	99,456	42,115
21.	Slipways		$16.99	88.71%	03 Jun	11,878	2,210	1,012
22.	Terminator: Resistance Annihilation Line DLC		$14.99	88.71%	10 Dec	—	940	—
23.	UNSIGHTED		$19.99	88.62%	30 Sep	14,208	2,020	238
24.	Utawarerumono: Prelude to the Fallen		$59.99	88.59%	22 Jan	9,850	1,277	344
25.	Jurassic World Evolution 2		$59.99	88.48%	09 Nov	135,954	43,600	20,993
26.	Lacuna – A Sci-Fi Noir Adventure		$15.99	88.09%	20 May	8,391	2,619	218
27.	Cell to Singularity - Evolution Never Ends		Free	87.83%	03 Nov	17,728	24,703	7,340
28.	Jupiter Hell	-46%	$24.28	87.83%	05 Aug	16,203	2,021	666
29.	Outer Wilds - Echoes of the Eye DLC		$14.99	87.80%	28 Sep	—	5,865	—
30.	The Artful Escape		$19.99	87.57%	09 Sep	6,739	1,773	72
31.	Frog Fighters		Free	87.09%	30 May	405	606	19
32.	PULSAR: Lost Colony		$19.99	87.03%	22 Jun	103,910	5,642	1,205
33.	Mecha Knights: Nightmare		$15.99	86.99%	30 Aug	10,994	1,528	433
34.	Exo One	-80%	$3.39	86.93%	18 Nov	25,861	4,922	747
35.	HighFleet		$29.99	85.90%	27 Jul	36,747	6,858	1,709
36.	The Shadow of Yidhra		$10.99	85.86%	28 Mar	8,576	1,337	154
37.	Warhammer 40,000: Battlesector	-70%	$11.99	85.07%	22 Jul	45,895	6,035	2,598
38.	Journey To The Savage Planet		$29.99	84.46%	28 Jan	37,482	6,539	2,162
39.	Legion TD 2 - Multiplayer Tower Defense		$24.99	84.24%	01 Oct	36,970	14,122	5,834
40.	Wolfstride	-75%	$3.74	84.06%	07 Dec	5,618	820	149
41.	Combots		$4.99	83.85%	08 Jul	880	606	92
42.	Sable		$24.99	83.83%	23 Sep	46,868	5,893	763
43.	Doctor Who: The Lonely Assassins		$5.99	83.81%	19 Mar	1,642	707	147
44.	Super Robot Wars 30		$59.99	83.70%	27 Oct	39,231	6,291	17,005
45.	Terraformers: First Steps on Mars		Free	83.51%	23 Oct	5,718	688	243
46.	Tiny Room Stories: Town Mystery		$9.99	83.14%	26 Feb	1,674	785	98
47.	Lost Ruins		$19.99	82.88%	13 May	31,018	5,557	1,146
48.	Mighty Goose		$19.99	82.34%	05 Jun	6,930	990	283
49.	Bot Wars		$14.99	82.12%	10 Sep	2,852	722	220
50.	Stellaris: Aquatics Species Pack DLC		$9.99	81.76%	22 Nov	—	722	—
51.	The Signal State	-65%	$6.99	81.55%	23 Sep	7,771	624	230
52.	X3: Farnham's Legacy		Free	80.90%	04 May	100	613	849
53.	METALLIC CHILD		$24.99	80.83%	15 Sep	9,670	1,222	1,188
54.	Blind Fate: Edo no Yami — Dojo		Free	80.83%	16 Dec	2,367	514	654
55.	Breathedge		$24.99	80.44%	25 Feb	103,025	15,644	6,857
56.	Chernobylite Complete Edition		$29.99	80.34%	28 Jul	99,545	14,875	3,944
57.	RimWorld - Ideology DLC		$19.99	80.34%	20 Jul	—	3,395	—
58.	Chorus		$24.99	80.27%	03 Dec	31,896	4,254	962
59.	Lemnis Gate		—	80.27%	28 Sep	9,068	1,047	807
60.	Galactic Mining Corp	-50%	$6.49	79.93%	18 May	3,905	925	1,305
61.	Cyber Shadow		$19.99	79.89%	26 Jan	9,718	1,455	490
62.	Phoenotopia: Awakening	-65%	$6.99	79.78%	21 Jan	9,612	2,646	327
63.	SCARLET NEXUS		$59.99	79.18%	24 Jun	111,355	17,523	14,516
64.	Aliens: Fireteam Elite		$29.99	78.33%	24 Aug	95,896	25,736	15,568
65.	Golf Club Nostalgia	-80%	$1.99	77.68%	03 Sep	3,095	1,464	55
66.	EARTH DEFENSE FORCE: WORLD BROTHERS		$39.99	77.23%	27 May	6,667	782	882
67.	SYNTHETIK 2		$19.99	76.78%	11 Nov	21,883	2,671	1,170
68.	They Always Run		$9.99	76.52%	20 Oct	5,940	881	67
69.	The Alien Cube		$19.99	76.32%	14 Oct	3,274	522	47
70.	Rushdown Revolt		Free	75.91%	27 Jan	3,694	1,500	378
71.	Genesis Noir		$14.99	75.80%	26 Mar	11,009	2,086	85
72.	Encased: A Sci-Fi Post-Apocalyptic RPG		$29.99	75.31%	07 Sep	50,263	4,622	3,743
73.	Before We Leave		$19.99	75.19%	13 May	27,372	1,684	2,313
74.	Crysis Remastered		$29.99	74.99%	17 Sep	18,660	14,565	1,244
75.	Predator: Hunting Grounds		$19.99	74.75%	29 Apr	27,333	5,000	1,504
76.	cyberpunkdreams		Free	73.90%	14 May	2,300	1,105	298
77.	The Fermi Paradox		$18.99	73.33%	01 Jul	13,284	970	423
78.	The Timeless Child - Prologue		Free	72.63%	10 Dec	3,514	2,976	961
79.	Swing Dunk		—	72.29%	16 Sep	1,064	618	129
80.	R-Type Final 2		$39.99	71.55%	30 Apr	7,863	800	925
81.	INDUSTRIA		$19.99	69.40%	30 Sep	15,562	3,560	226
82.	Halo Infinite		Free	68.91%	15 Nov	227,669	178,716	272,586
83.	Red Solstice 2: Survivors		$14.99	67.96%	17 Jun	32,854	3,272	3,826
84.	SMASH LEGENDS		Free	67.57%	13 Apr	8,340	9,636	1,526
85.	Frontier Pilot Simulator		$24.99	67.31%	07 Dec	8,260	935	130
86.	ANOTHER EDEN		Free	66.68%	31 Mar	6,714	1,926	935
87.	ROG CITADEL XV		Free	66.68%	12 Jan	2,541	629	591
88.	OUTRIDERS		$19.99	66.07%	01 Apr	122,805	60,675	125,143
89.	BIOMUTANT		$39.99	65.26%	25 May	189,598	19,665	55,048
90.	Halo Infinite (Campaign) DLC		$59.99	64.91%	08 Dec	—	5,057	—
91.	Starmancer		$14.99	63.65%	05 Aug	37,782	1,000	916
92.	M.A.R.S.		Free	62.12%	28 Oct	3,826	1,121	3,741
93.	Mech Mechanic Simulator		$19.99	62.00%	25 Mar	9,830	639	609
94.	Adeptus Titanicus: Dominus		—	60.67%	26 Mar	6,337	571	80
95.	Scavengers		—	59.50%	01 May	29,068	9,683	16,787
96.	Starbase	-70%	$10.49	56.40%	29 Jul	55,648	6,652	9,969
97.	Warhammer Combat Cards		Free	55.35%	03 Jun	1,236	599	111
98.	Spacebase Startopia		$39.99	55.03%	26 Mar	13,449	639	726
99.	ELYON		—	53.79%	20 Oct	17,220	4,379	15,541
100.	RAM Pressure		Free	47.72%	15 Sep	13,373	977	242

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This page contains: Top best Steam games released in 2021. Filters: Sci-fi, ≥ 500 reviews