ALTF4 does not list co-op on Steam; it has PvP, Local / split-screen, Single-player too.

Yes, ALTF4 has player-versus-player modes.

Do we both need to own ALTF4 to play together?

Not always. ALTF4 supports Steam Remote Play Together: one person who owns it hosts and streams a local session to friends who don't (Steam quotes up to four players, more on a fast connection). For online co-op or PvP, every player needs their own copy.

How many people play ALTF4?

About 8 players were in-game when this page's data was last refreshed (2026-09-09).

Does ALTF4 have split-screen or local multiplayer?

Yes. Steam lists ALTF4 with shared/split-screen PvP on one PC — and it supports Remote Play Together, so a friend can join that local session over the internet.

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Survival › Survival craft

Is ALTF4 multiplayer or co-op?

Yes — PvP, plus local/split-screen. ALTF4 is a survival craft game released in 2021, 80% positive on Steam (10,756 reviews), with 8 playing right now. $2.99 on Steam.

PvPLocal / split-screenSingle-player tooSurvival · Survival craft

[3D 3rd Person Perma-Death Runner Game]Try to overcome various obstacles until the end.

How ALTF4 plays with friends, according to Steam

Online co-op: Not listed on Steam
Local / split-screen co-op: Not listed on Steam
Online PvP: Not listed on Steam
Local / split-screen PvP: Yes
LAN play: Not listed on Steam
Remote Play Together (one copy, streamed to friends): Yes
Single-player mode: Yes
Controller: Full controller support

Steam's own category list for the game, as of 2026-09-09. "Not listed" means the store page does not claim that mode; community mods or Remote Play can still add it.

Steam tags: Runner, Physics, Survival, 3D Platformer, Medieval, Third Person, Action, Arcade

Do you and a friend both own ALTF4?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether ALTF4 is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Or open the Steam store page.

Games like ALTF4 you can play together

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Terraria

Survival craft · 97% positive on Steam (1,409,473 reviews) · 24,580 playing right now

Valheim

Survival craft · 94% positive on Steam (499,828 reviews) · 14,439 playing right now

V Rising

Survival craft · 89% positive on Steam (119,440 reviews) · 10,961 playing right now

Enshrouded

Survival craft · 86% positive on Steam (78,080 reviews) · 10,654 playing right now

Tired of ALTF4? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is ALTF4 co-op?: ALTF4 does not list co-op on Steam; it has PvP, Local / split-screen, Single-player too.
Does ALTF4 have PvP?: Yes, ALTF4 has player-versus-player modes.
Do we both need to own ALTF4 to play together?: Not always. ALTF4 supports Steam Remote Play Together: one person who owns it hosts and streams a local session to friends who don't (Steam quotes up to four players, more on a fast connection). For online co-op or PvP, every player needs their own copy.
How many people play ALTF4?: About 8 players were in-game when this page's data was last refreshed (2026-09-09).
Does ALTF4 have split-screen or local multiplayer?: Yes. Steam lists ALTF4 with shared/split-screen PvP on one PC — and it supports Remote Play Together, so a friend can join that local session over the internet.

Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass