So here are this months releases as far as I can make out.

Rend – official launch (PC) – April 1
Totally Accurate Battle Simulator – Steam Early Access (PC) – April 1
Love Thyself – A Horatio Story (PC) – April 1
Darksiders Warmastered Edition (Switch) – April 2
Serious Sam: Tormental – Steam Early Access (PC) – April 2
Cryofall – Steam Early Access (PC) – April 3
Silence (Switch) – April 3
Borderlands: Game of the Year Edition (PC, PS4, Xbox One) – April 3
Bow to Blood: Last Captain Standing (PC, PS4, Xbox One, Switch) – April 3
HyperParasite – Steam Early Access (PC) – April 3
Death Mark (PC) – April 4
Islanders (PC) – April 4
Mechstermination Force (Switch) – April 4
Skorecery (PS4) – April 4
Overwhelm (Switch) – April 4
MarZ: Tactical Base Defense – full release(PC) – April 4
Notmycar – Steam Early Access (PC) – April 5
Dance of Death: Du Lac & Fey (PC) – April 5
Monster Slayers (Switch) – April 5
Super Dragon Ball Heroes World Mission (PC, Switch) – April 5
Dangerous Driving (PC, PS4, Xbox One) – April 9
Zanki Zero: Last Beginning (PS4) – April 9
Falcon Age (PS4, PS VR) – April 9
Hearthstone: Rise of Shadows (PC, Mobile) – April 9
Phoenix Wright: Ace Attorney Trilogy (PC, PS4, Xbox One, Switch) – April 9
The Mystery of Woolley Mountain (PC, Switch) – April 10
Vaporum (PS4, Xbox One, Switch) – April 10
Hunt ‘n Sneak (PC) – April 10
JetX (Rift, Vive) – April 11
Shadowgate (PS4, Xbox One, Switch) – April 11
Back to Bed (Switch) – April 11
Axiom Soccer – Steam Early Access (PC) – April 11
Weedcraft Inc. (PC) – April 11
Proze: Enlightenment (Rift, Vive) – April 11
Earth Defense Force: Iron Rain (PS4) – April 11
Deck of Ashes – Steam Early Access (PC) – April 11
Himno (PC) – April 12
Final Fantasy 10 & 10-2 HD Remaster (Xbox One, Switch) – April 16
Dreams – paid early access (PS4) – April 16
Heaven’s Vault (PC, PS4) – April 16
World War Z (PC, PS4, Xbox One) – April 16
My Time at Portia (PS4, Xbox One, Switch) – April 16
World of Warships: Legends (PS4, Xbox One) – April 16
Ghost Giant (PSVR) – April 16
Table of Tales (PS4, PSVR) – April 16
Whispers of a Machine (PC) – April 17
Hob: The Definitive Edition (Switch) – April 17
Sigma Theory: Global Cold War (PC) – April 18
Our World is Ended (PS4, Switch) – April 18
Cuphead (Switch) – April 18
The Padre (PC, PS4, Xbox One, Switch) – April 18
Katana Zero (PC, Switch) – April 18
Arcade Classics Anniversary Collection (PC, PS4, Xbox One, Switch) – April 18
God’s Trigger (PC, PS4, Xbox One) – April 18
Jupiter & Mars (PS4, PS VR) – April 22
Mortal Kombat 11 (PC, PS4, Xbox One, Switch) – April 23
Dragon’s Dogma: Dark Arisen (Switch) – April 23
Imperator: Rome (PC) – April 25
Homo Machina (Switch) – April 25
Type: Rider (Switch) – April 25
Vandals (Switch) – April 25
SteamWorld Quest: Hand of Gilgamech (Switch) – April 25
Yuppie Psycho (PC) – April 25
Vambrace: Cold Soul (PC) – April 25
Havocado – Steam Early Access (PC) – April 25
Aggelos (PS4, Xbox One, Switch) – April 25
Days Gone (PS4) – April 26
Boxboy and Boxgirl (Switch) – April 26
Tales of the Neon Sea (PC) – April 30
Final Fantasy 12: The Zodiac Age (Xbox One, Switch) – April 30
Fade to Silence – official launch (PC, PS4, Xbox One) – April 30
Sigil (PC) – April
Super Crate Box (Switch) – April
Golem Gates (PS4, Xbox One, Switch) – April
Power Rangers: Battle for the Grid (PS4, Xbox One, Switch) – April
Pixel Noir – Steam Early Access (PC) – April