Game Modes

Game modes are styles of gameplay in Surviv.io. Currently, there are four game modes available; solo, duo, squads, and 50v50. 50v50 is an event debuted in the "" update, and being an event, is only available for short periods of time, usually having duos unavailable when the event is in duration. Initially, you could only play solo, but duos were added in the v0.2.0 update on January 17, 2018. Squads were added in Patch v0.3.0. Trios are also possible but you will have to make a custom game with 2 other buddies with auto-fill off and on squads.

Solo
Solo is the core game mode of Surviv.io, as well as the first to be available. It is also arguably the most popular game mode of Surviv.io due to its ease and complexity. Teaming (partnering with another player) is possible but discouraged as it displays a lack of expertise and may lead to an easy death. The map size is 720x720, or 45 grid tiles.

Duo
Duo, commonly referred to as Duos, is the second game mode to be added to Surviv.io, added in patch 0.2.0. The game is nearly identical to solo mode except that there are two players per team. Cross-teaming is rare in this mode. It is possible to play with a friend of yours or someone random. The map size is 720x720, or 45 grid tiles.

Squads
Squad, popularly known as Squads, is the third (and newest) game mode to be added to Surviv.io, added in patch v0.3.0. Squads are solo in concept, but with a total of four people on a team. It is more difficult to play with random people since the range of expertise spans from professional to rookie. Frequently Events occur in this game mode, although they have happened in other modes. The map size is slightly larger than Solos or Duos, at 768x768, or 48 grid tiles.

50v50
In this mode, there are 2 teams, red and blue. Each team gets half a map separated by a river. Both teams must find loot to try and defeat the other team by killing all its members. Additionally, every match a random player from each side will be chosen to be the Team Leader. That lucky player hopefully will use his leader advantages such as AN-94 or Super 90, Level 3 Vest, Military Pack, Leader Helmet, and the Leadership perk that lets them have increased size and permanent full adrenaline to lead his team to victory. After the Team Leader is chosen, two Lieutenants are chosen for each side. The Lieutenant spawns with Level 3 Vest, Military Pack, Lieutenant Helmet, a fully loaded 40-round magazine M4A1-S, and the Firepower perk that lets them get increased magazines in almost all guns, including the M4A1-S that they spawn with. After that the Medics are chosen, they have all the things a Lieutenant has (excluding gun and ammo) and spawn with a full stock of healing items and adrenaline items. This mode always takes place on the Faction Map. This is also the only mode where the stats of the game you played aren’t recorded. The map size is the largest in the game, at 880x880, or 55 grid tiles. All perks exclusive to this mode cannot be picked up by other players, only consumables, equipment, weapons, throwables, and melee weapons.