Steam Charts by SteamDB

Most played Science games

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Rank	Name	Current	24h Peak	All-Time Peak
1.	Abiotic Factor	5,096	6,287	29,278	+
2.	The Outlast Trials	4,489	7,279	36,689	+
3.	Icarus	3,679	4,834	52,501	+
4.	Timberborn	3,272	4,194	13,045	+
5.	Kerbal Space Program	2,622	3,293	19,149	+
6.	Cell to Singularity - Evolution Never Ends	2,331	3,303	7,340	+
7.	Portal 2	1,683	2,373	98,460	+
8.	Stationeers	1,186	1,532	1,532	+
9.	Spore	1,064	1,344	5,630	+
10.	Automation - The Car Company Tycoon Game	867	1,052	1,508	+
11.	WolfQuest: Anniversary Edition	816	966	2,383	+
12.	Eco	681	917	6,964	+
13.	The Alters	671	963	18,120	+
14.	Forza Motorsport	575	868	4,703	+
15.	Universe Sandbox	532	635	750	+
16.	Star Birds	497	702	1,333	+
17.	Portal	478	631	20,672	+
18.	Liftoff	313	602	832	+
19.	Uncrashed : FPV Drone Simulator	246	819	934	+
20.	The Talos Principle 2	215	323	7,258	+
21.	Forever Skies	215	322	5,653	+
22.	Prehistoric Kingdom	213	308	2,520	+
23.	Aviassembly	202	284	2,762	+
24.	SpaceEngine	195	278	596	+
25.	Ancestors: The Humankind Odyssey	170	213	3,334	+
26.	Mega Man Battle Network Legacy Collection Vol. 1	150	206	7,843	+
27.	STEINS;GATE	140	532	3,565	+
28.	The Talos Principle	140	210	4,007	+
29.	Spaceflight Simulator	122	174	469	+
30.	The Powder Toy	118	158	430	+
31.	The Sapling	101	106	229	+
32.	Idle Sphere	101	122	1,346	+
33.	Planetary Life	99	114	710	+
34.	Portal: Revolution	97	166	7,483	+
35.	Terraformers	88	139	1,853	+
36.	Flyout	86	102	1,312	+
37.	ΔV: Rings of Saturn	78	107	819	+
38.	Expeditions: A MudRunner Game	72	100	4,915	+
39.	Kerbal Space Program 2	68	92	25,724	+
40.	Juno: New Origins	66	77	780	+
41.	Star Conflict	66	127	4,973	+
42.	Mega Man Battle Network Legacy Collection Vol. 2	56	98	2,703	+
43.	OUTBRK	56	76	590	+
44.	The Invincible	55	112	1,237	+
45.	Star Trek: Infinite	55	66	5,526	+
46.	The Bibites: Digital Life	52	58	200	+
47.	TRYP FPV	49	87	234	+
48.	Incremental Cubes	48	64	1,052	+
49.	Sandboxels	48	89	114	+
50.	Terra Firma 2 Demo	48	71	119	+
51.	Per Aspera	45	74	8,274	+
52.	STEINS;GATE 0	41	142	787	+
53.	SpaceBourne 2	41	47	1,241	+
54.	Portal Stories: Mel	38	60	3,545	+
55.	InfraSpace	38	64	620	+
56.	METAL EDEN	33	44	411	+
57.	Space Travel Idle	32	34	669	+
58.	Portal Reloaded	32	66	5,194	+
59.	Nucleares	31	56	227	+
60.	Who Wants To Be A Millionaire?	25	27	74	+
61.	Brain Show	23	31	125	+
62.	Sand:box	23	44	110	+
63.	The Last Starship	21	25	439	+
64.	Thrive	19	23	235	+
65.	SpaceChem	18	21	1,962	+
66.	Mars Horizon	18	31	2,525	+
67.	Bionic Bay	18	26	189	+
68.	Star Sonata 2	17	23	170	+
69.	Slipways	17	23	1,012	+
70.	Machinika Museum	17	32	5,343	+
71.	Mudborne	17	24	554	+
72.	Gem Defender: Soyjak Survivors	15	18	25	+
73.	while True: learn()	14	22	844	+
74.	CHAOS;CHILD	14	91	245	+
75.	Reentry - A Space Flight Simulator	13	26	152	+
76.	Bombe	13	29	102	+
77.	Genome Guardian	12	26	262	+
78.	Mars First Logistics	11	23	475	+
79.	Space Architect	11	21	528	+
80.	Genesis Alpha One Deluxe Edition	11	17	783	+
81.	Bugaboo Pocket	10	15	237	+
82.	Archean	10	12	99	+
83.	Aperture Tag: The Paint Gun Testing Initiative	8	10	913	+
84.	Universe Sandbox Legacy	8	16	3,326	+
85.	Moons of Madness	8	10	519	+
86.	Beecarbonize	8	10	496	+
87.	Botany Manor	8	8	258	+
88.	Zombie Cure Lab	8	14	412	+
89.	Realpolitiks 3: Earth and Beyond	8	19	81	+
90.	Not Sure About That	8	9	29	+
91.	Brain Show Demo	8	15	60	+
92.	Logic World	7	10	144	+
93.	Ecosystem	7	12	158	+
94.	Suicide Guy	7	27	735	+
95.	Cell Command	7	9	40	+
96.	Children of a Dead Earth	6	17	117	+
97.	Nature And Life - Drunk On Nectar	6	8	17	+
98.	Star Dynasties	6	10	292	+
99.	Virtual Circuit Board	6	9	61	+
100.	Ghost Exorcism INC	6	18	3,791	+