Games like Sentinel, ranked by tags and themes. Prices included.

1
Rock 'N' Roll Defense
87%positive
PLN 1.25
2
Chronostation
88%positive
PLN 22.99
3
Defense Grid: The Awakening
96%positive
PLN 9.04
4
Sentinel 3: Homeworld
80%positive
PLN 3.55
5
Super Sanctum TD
86%positive
PLN 2.16
6
Relic Guardian - Tower Defense
95%positive
PLN 37.62
7
Immortal Defense
86%positive
PLN 18.99
8
Tower Wars
72%positive
PLN 24.19
9
Terrorhedron Tower Defense
84%positive
PLN 8.99
10
Sanctum
89%positive
PLN 6.14
11
Unstoppable Gorg
79%positive
PLN 3.67
12
Artificial Defense
82%positive
PLN 2.38
13
Northend Tower Defense
74%positive
PLN 10.66
14
Sentinel 4: Dark Star
79%positive
PLN 6.54
15
Sanctum 2
90%positive
PLN 5.79
16
Hold The Fort
81%positive
PLN 17.99
17
Radiant Defense
83%positive
PLN 45.99
18
Shuttle Siege
64%positive
PLN 17.99
19
2112TD: Tower Defense Survival
87%positive
PLN 13.16
20
Star Police
60%positive
PLN 17.99
21
Defense Zone
83%positive
PLN 14.49
22
Module TD. Sci-Fi Tower Defense
67%positive
PLN 35.99
23
Yrminsul
68%positive
PLN 2.15
24
TechGuardian: Territory Defense
66%positive
PLN 36.99
25
Defense Technica
40%positive
PLN 5.39
26
ValeGuard
68%positive
PLN 20.17
27
Selknam Defense
42%positive
PLN 3.93
28
Defence to death
56%positive
PLN 1.99
29
Golemworks
90%positive
PLN 31.99
30
Twinkle☆Guardians
96%positive
PLN 22.99
31
Savant - Ascent
92%positive
PLN 2.81
32
Alien Robot Monsters
85%positive
PLN 21.99
33
Tower Defense Monster
PLN 8.35
34
Oasis Defense
83%positive
PLN 17.99
35
Qimen Tower Defense
97%positive
PLN 45.99
36
Cyber Defense
92%positive
PLN 3.59
37
The Sentinel
92%positive
PLN 4.49
38
Sunset Planet
75%positive
PLN 3.59
39
Whitevale Defender
71%positive
PLN 17.99
40
Ad Astra: Sci-Fi Tower Defense
57%positive
PLN 4.49
41
Hexagonal Tower
52%positive
PLN 13.49
What games are like Sentinel?

The closest matches to Sentinel right now are Rock 'N' Roll Defense, Groove Defense, Rhythm Towers, Chronostation, Defense Grid: The Awakening. The ranking compares 47 games by shared tags, theme and review quality, each with its cheapest price across official stores and keyshops.