Checking the evidence…Reading the prices…Writing the verdict…
Developers

No price
No Steam price right now
92% positive on Steam

$20.99
Regular price; it has been much cheaper
95% positive on Steam
$39.99
Regular price; it has been much cheaper
92% positive on Steam

$11.99
Regular price; it has been much cheaper
87% positive on Steam

$29.99
Regular price; it has been much cheaper
87% positive on Steam

$39.99
Regular price; it has been much cheaper
86% positive on Steam

$19.99
Regular price; it has been much cheaper
86% positive on Steam

$34.99
Regular price; it has been much cheaper
83% positive on Steam
Best verdict first. The developer name is taken from the Steam page, so a studio that publishes under two names may appear twice.