Wii U eShop
Splatoon Global Testfire (Nintendo, free)
High Strangeness (Midnight City, $9.99)

Wii U Virtual Console
Mega Man & Bass (Capcom, $7.99)
Metal Marines (Bandai Namco, $7.99)

Wii U DLC
Zen Pinball 2: Iron & Steel Pack (free or $4.99) - includes the CastleStorm and Wild West Rampage tables.
Marvel's Avengers: Age of Ultron (free or $2.99)

Wii U eShop Temporary Discounts
Angry Birds Star Wars (Activision, 50% off until 11th May)
Puddle (Neko Entertainment, $1.99 until 14th May, normally $7.99)
SteamWorld Dig (Image & Form, $4.49 until 21st May, normally $9.99)
Trine Enchanted Edition (Frozenbyte, up to 50% off until 28th May, plus an extra 20% discount if you own the other game)
Trine 2: Director's Cut (Frozenbyte, up to 50% off until 28th May, plus an extra 20% discount if you own the other game)
Dolphin Up (Rawkins Games, $2.99 until 14th May, normally $3.99)
GravBlocks+ (From Nothing Game Studios, $2.50 until 17th May, normally $4.99)

Wii U eShop Permanent Discount
Hello Kitty Kruisers (Bergsala Lightweight, $9.99 from 8th May, was $19.95)

Wii U eShop Demo
Trine Enchanted Edition (Frozenbyte, free)

3DS eShop
Bloo Kid 2 (Winterworks, $3.99)
Johnny Dynamite (Enjoy Gaming, $4.99)

3DS Retail Download
Shin Megami Tensei: Devil Survivor 2 Record Breaker (Atlus, $49.99)

3DS Retail Pre-Load
Puzzle & Dragons Z + Puzzle & Dragons: Super Mario Bros. Edition (Nintendo, $29.99)

3DS eShop Temporary Discounts
Angry Birds Star Wars (Activision, 50% off until 11th May)
Persona Q: Shadow of the Labyrinth (Atlus, $39.99 from 11th May to 25th May, normally $49.99)
Brunch Panic (CIRCLE Entertainment, on discount until 28th May)
KAMI (CIRCLE Entertainment, on discount until 28th May)
Sweet Memories - Blackjack (CIRCLE Entertainment, on discount until 28th May)
SteamWorld Dig (Image & Form, $4.49 until 21st May, normally $8.99)
Aqua Moto Racing 3D (Zordix AB, $3.99 until 14th May, normally $7.99)
Zombie Panic in Wonderland DX (Akaoni Studio, $4.99 from 9th May until 9th June, normally $8)

3DS eShop Permanent Discounts
Balloon Pop Remix (UFO Interactive, $2.99, was $4.99)
Johnny Hotshot (UFO Interactive, $2.99, was $4.99)
Johnny Impossible (UFO Interactive, $2.99, was $4.99)
Johnny Kung Fu (UFO Interactive, $2.99, was $4.99)
Zombie Slayer Diox (UFO Interactive, $2.99, was $5.99)
Samurai Sword Destiny (UFO Interactive, $2.99, was $5.99)
Disney Frozen: Olaf's Quest (Avanquest Software, $19.99, was $29.99)
Scarygirl Illustration Kit (Square One Games, $2.99, was $5.99)
Tangram Attack (Square One Games, $1.49, was $2.99)

3DS eShop Demo
The Legend of Dark Witch (CIRCLE Entertainment, free)